\begin{table}%t7
 \caption{\label{t:prcn-g}Transitions of the \textit{gauche}-conformer of \textit{n}-propyl cyanide observed with the IRAM 30~m telescope toward Sgr~B2(N). The horizontal lines mark discontinuities in the observed frequency coverage. Only the transitions associated with a modeled line stronger than 20~mK are listed.}
%\centering
\small 
 \begin{tabular}{rlrrrrrl}
 \hline\hline
 \multicolumn{1}{c}{$N^a$} & \multicolumn{1}{c}{Transition$^b$} & \multicolumn{1}{c}{Frequency} & \multicolumn{1}{c}{Unc.$^c$} & \multicolumn{1}{c}{$E_{\rm l}$$^d$} & \multicolumn{1}{c}{$S\mu^2$} &  \multicolumn{1}{c}{$\sigma^e$} &  \multicolumn{1}{c}{Comments} \\ 
  & & \multicolumn{1}{c}{\scriptsize (MHz)} & \multicolumn{1}{c}{\scriptsize (kHz)} & \multicolumn{1}{c}{\scriptsize (K)} & \multicolumn{1}{c}{\scriptsize (D$^2$)} &  \multicolumn{1}{c}{\scriptsize (mK)} &  \\ 
 \multicolumn{1}{c}{(1)} & \multicolumn{1}{c}{(2)} & \multicolumn{1}{c}{(3)} & \multicolumn{1}{c}{(4)} & \multicolumn{1}{c}{(5)} & \multicolumn{1}{c}{(6)} & \multicolumn{1}{c}{(7)} & \multicolumn{1}{c}{(8)} \\ 
 \hline
   1 & 17$_{ 9, 9}$--16$_{ 9, 8}$$^\star$ &  101~965.911 &     6 &  199 &       262.1 &   34 & Blend with $U$-line \\ 
   3 & 17$_{ 8,10}$--16$_{ 8, 9}$$^\star$ &  102~048.097 &     6 &  193 &       283.5 &   34 & Blend with NH$_2$CHO, $\varv_{12}$ = 1 \\ 
   5 & 29$_{ 2,27}$--29$_{ 1,28}$ &  102~048.362 &     6 &  253 &        66.0 &   34 & Blend with NH$_2$CHO, $\varv_{12}$ = 1 \\ 
   6 & 34$_{ 5,30}$--34$_{ 3,31}$ &  102~175.037 &     5 &  308 &        17.0 &   30 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, $^{13}$CH$_2$CHCN, and  \\ 
 & & & & & & & CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 
   7 & 17$_{ 7,11}$--16$_{ 7,10}$ &  102~176.110 &     6 &  188 &       302.4 &   30 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, $^{13}$CH$_2$CHCN, and  \\ 
 & & & & & & & CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 
   8 & 17$_{ 7,10}$--16$_{ 7, 9}$ &  102~176.872 &     6 &  188 &       302.3 &   30 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, $^{13}$CH$_2$CHCN, and  \\ 
 & & & & & & & CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 
   9 & 19$_{ 0,19}$--18$_{ 0,18}$ &  104~811.610 &     6 &  179 &       403.9 &   25 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_5$OH \\ 
  10 & 20$_{ 8,12}$--20$_{ 7,13}$ &  104~813.646 &     6 &  210 &        89.8 &   25 & Blend with C$_2$H$_5$OH, C$_2$H$_3$CN, $\varv_{11}$ = 1, CH$_3$$^{13}$CH$_2$CN, and  \\ 
 & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
  11 & 18$_{10, 8}$--17$_{10, 7}$$^\star$ &  107~933.825 &     6 &  210 &       266.5 &   46 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1, C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, and $U$-line \\ 
  13 & 18$_{ 9,10}$--17$_{ 9, 9}$$^\star$ &  107~999.345 &     6 &  204 &       289.1 &   46 & Blend with $U$-line \\ 
  15 & 18$_{ 8,11}$--17$_{ 8,10}$$^\star$ &  108~098.501 &     6 &  198 &       309.4 &   48 & Blend with $U$-line \\ 
  17 & 18$_{ 7,12}$--17$_{ 7,11}$ &  108~252.103 &     6 &  193 &       327.2 &   48 & Blend with $U$-line \\ 
  18 & 18$_{ 7,11}$--17$_{ 7,10}$ &  108~253.743 &     6 &  193 &       327.2 &   48 & Blend with $U$-line \\ 
  19 & 18$_{ 4,15}$--17$_{ 4,14}$ &  108~520.203 &     7 &  182 &       365.9 &   20 & Blend with C$_2$H$_5$OH \\ 
  20 & 18$_{ 2,16}$--17$_{ 2,15}$ &  108~793.066 &     7 &  179 &       375.5 &   20 & Blend with $^{13}$CN in absorption and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
  21 & 19$_{ 2,18}$--18$_{ 2,17}$ &  108~827.746 &     7 &  182 &       399.0 &   20 & Blend with $^{13}$CN in absorption and $U$-line? \\ 
  22 & 19$_{ 1,18}$--18$_{ 1,17}$ &  109~039.231 &     7 &  182 &       399.0 &   29 & Blend with C$_2$H$_3$CN and $U$-line? \\ 
  23 & 20$_{ 1,20}$--19$_{ 1,19}$ &  110~209.409 &     6 &  184 &       425.4 &   24 & Blend with $^{13}$CO and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 
  24 & 20$_{ 0,20}$--19$_{ 0,19}$ &  110~214.195 &     6 &  184 &       425.4 &   24 & Blend with $^{13}$CO and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 
  25 & 18$_{ 4,14}$--17$_{ 4,13}$ &  111~109.974 &     6 &  182 &       366.9 &   25 & Blend with $U$-line \\ 
  26 & 18$_{ 3,15}$--17$_{ 3,14}$ &  112~088.070 &     7 &  181 &       375.2 &   42 & Blend with $U$-line \\ 
  27 & 19$_{ 3,17}$--18$_{ 3,16}$ &  112~370.034 &     7 &  185 &       394.3 &   42 & Blend with CH$_3$CH$_3$CO and CH$_3$OCH$_3$ \\ 
  28 & 19$_{15, 4}$--18$_{15, 3}$$^\star$ &  113~832.488 &     7 &  258 &       153.3 &   34 & Blend with C$_2$H$_3$CN and $U$-line \\ 
  30 & 19$_{16, 3}$--18$_{16, 2}$$^\star$ &  113~833.361 &     7 &  268 &       118.4 &   34 & Blend with C$_2$H$_3$CN and $U$-line \\ 
  32 & 19$_{12, 7}$--18$_{12, 6}$$^\star$ &  113~872.326 &     6 &  230 &       244.6 &   34 & Blend with C$_2$H$_5$OH and $U$-line \\ 
  34 & 19$_{11, 8}$--18$_{11, 7}$$^\star$ &  113~907.356 &     6 &  223 &       270.5 &   34 & Strong C$_2$H$_3$CN \\ 
  36 & 19$_{10,10}$--18$_{10, 9}$$^\star$ &  113~960.196 &     6 &  216 &       294.2 &   33 & Blend with C$_2$H$_3$CN \\ 
  38 & 19$_{ 9,11}$--18$_{ 9,10}$$^\star$ &  114~038.886 &     6 &  209 &       315.7 &   33 & Blend with $U$-line \\ 
  40 & 19$_{ 2,17}$--18$_{ 2,16}$ &  114~077.162 &     7 &  184 &       396.3 &   33 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 and $U$-line \\ 
  41 & 19$_{ 8,12}$--18$_{ 8,11}$ &  114~157.197 &     6 &  203 &       334.8 &   33 & Blend with $U$-line \\ 
  42 & 19$_{ 8,11}$--18$_{ 8,10}$ &  114~157.321 &     6 &  203 &       334.8 &   33 & Blend with $U$-line \\ 
  43 & 20$_{ 2,19}$--19$_{ 2,18}$ &  114~255.098 &     6 &  187 &       420.4 &   33 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 
  44 & 19$_{ 7,13}$--18$_{ 7,12}$ &  114~339.524 &     6 &  198 &       351.7 &   33 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 and NH$_2$CHO \\ 
  45 & 20$_{ 1,19}$--19$_{ 1,18}$ &  114~399.053 &     6 &  187 &       420.3 &   33 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line? \\ 
  46 & 19$_{ 4,16}$--18$_{ 4,15}$ &  114~451.328 &     7 &  187 &       388.1 &   37 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and c-C$_2$H$_4$O \\ 
  47 & 19$_{ 6,14}$--18$_{ 6,13}$ &  114~615.647 &     6 &  194 &       366.3 &   37 & Strong H$^{13}$CCCN and C$_2$H$_3$CN \\ 
  48 & 19$_{ 6,13}$--18$_{ 6,12}$ &  114~676.990 &     6 &  194 &       366.4 &   37 & Blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3 and $U$-line \\ 
  49 & 20$_{ 2,19}$--19$_{ 1,18}$ &  114~679.259 &     7 &  187 &       130.0 &   37 & Blend with H$^{13}$CCCN, $\varv_5$ = 1/$\varv_7$ = 3 and $U$-line \\ 
  50 & 19$_{ 5,15}$--18$_{ 5,14}$ &  114~881.716 &     6 &  190 &       378.6 &   59 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 3 and CH$_2$(OH)CHO \\ 
  51 & 19$_{ 5,14}$--18$_{ 5,13}$ &  115~556.072 &     6 &  190 &       378.7 &   60 & Blend with C$_2$H$_3$CN, NS, and CH$_3$OCHO, $\varv_{{\rm t}}$ = 1 \\ 
  52 & 21$_{ 0,21}$--20$_{ 1,20}$ &  115~609.125 &     6 &  189 &       174.8 &   79 & Blend with CH$_2$NH and $U$-line? \\ 
  53 & 21$_{ 1,21}$--20$_{ 1,20}$ &  115~613.838 &     6 &  189 &       446.8 &   79 & Blend with CH$_2$NH and CH$_3$CHO \\ 
  54 & 21$_{ 0,21}$--20$_{ 0,20}$ &  115~616.804 &     6 &  189 &       446.8 &   79 & Blend with CH$_2$NH and CH$_3$CHO \\ 
\hline
  55 & 24$_{ 5,20}$--23$_{ 5,19}$ &  145~147.268 &     6 &  221 &       491.0 &   25 & Strong C$_2$H$_3$CN \\ 
  56 & 25$_{ 3,23}$--24$_{ 3,22}$ &  145~354.256 &     6 &  221 &       522.8 &   25 & Blend with HC$_3$N, $\varv_4$ = 1 \\ 
  57 & 24$_{ 6,19}$--23$_{ 6,18}$ &  145~359.467 &     6 &  224 &       481.8 &   25 & Blend with HC$_3$N, $\varv_4$ = 1 \\ 
\hline
  58 & 26$_{ 4,23}$--25$_{ 4,22}$ &  154~516.394 &     5 &  232 &       540.1 &  112 & Blend with NH$_2$CH$_2$CN and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
\hline
%&&&&&&& \\[-8pt]
  59 & 27$_{ 7,21}$--26$_{ 7,20}$ &  163~471.366 &     5 &  250 &       539.4 &   38 & Blend with HCC$^{13}$CN, $\varv_7$ = 1 and NH$_2$CH$_2$CN \\ 
  60 & 12$_{ 7, 6}$--11$_{ 6, 5}$ &  163~626.490 &    12 &  164 &        62.4 &   38 & Blend with a-C$_3$H$_7$CN and $U$-line \\ 
  61 & 12$_{ 7, 5}$--11$_{ 6, 6}$ &  163~626.670 &    12 &  164 &        62.4 &   38 & Blend with a-C$_3$H$_7$CN and $U$-line \\ 
  62 & 27$_{ 6,22}$--26$_{ 6,21}$ &  163~729.422 &     5 &  246 &       549.4 &   38 & Blend with a-C$_3$H$_7$CN and $U$-line \\ 
\hline
  63 & 28$_{ 3,25}$--27$_{ 3,24}$ &  166~501.674 &     5 &  247 &       583.3 &   66 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$CN, $\varv_8$ = 2 \\ 
\hline
  64 & 30$_{ 3,28}$--29$_{ 2,27}$ &  172~509.803 &     5 &  258 &       186.7 &   44 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
\hline
%&&&&&&& \\[-8pt]
  65 & 24$_{13,11}$--24$_{12,12}$$^\star$ &  176~027.815 &     8 &  268 &        88.7 &  365 & Blend with HNCO, $\varv_5$ = 1 and $^{13}$CH$_2$CO \\ 
  67 & 23$_{13,10}$--23$_{12,11}$$^\star$ &  176~085.591 &     8 &  261 &        82.2 &  365 & Blend with CH$_3$OCH$_3$ \\ 
  69 & 22$_{13, 9}$--22$_{12,10}$$^\star$ &  176~134.711 &     8 &  254 &        75.7 &  365 & Blend with HNCO, $\varv_6$ = 1 and HNCO, $\varv_5$ = 1 \\ 
\hline
  71 & 37$_{ 0,37}$--36$_{ 1,36}$$^\star$ &  201~966.900 &    11 &  309 &       321.5 &  138 & Blend with CH$_3$CN \\ 
  73 & 37$_{ 0,37}$--36$_{ 0,36}$$^\star$ &  201~966.902 &    11 &  309 &       789.3 &  138 & Blend with CH$_3$CN \\ 
  75 & 33$_{ 5,29}$--32$_{ 4,28}$ &  201~985.474 &     6 &  293 &       131.9 &  138 & Blend with CH$_3$OH \\ 
 \hline
  76 & 34$_{ 5,30}$--33$_{ 5,29}$ &  202~090.888 &     6 &  303 &       707.1 &  138 & Strong CH$_2$CO \\ 
  77 & 56$_{ 3,53}$--56$_{ 3,54}$$^\star$ &  202~474.090 &   224 &  572 &        15.7 &  108 & Blend with $U$-line and H$_2$CS \\ 
  79 & 56$_{ 4,53}$--56$_{ 3,54}$$^\star$ &  202~474.109 &   224 &  572 &       100.1 &  108 & Blend with $U$-line and H$_2$CS \\ 
  81 & 41$_{15,26}$--41$_{14,27}$$^\star$ &  202~477.934 &    26 &  447 &       185.2 &  108 & Blend with $U$-line and H$_2$CS \\ 
  83 & 40$_{15,25}$--40$_{14,26}$$^\star$ &  202~689.659 &    25 &  435 &       178.9 &  108 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 and NH$_2$CHO \\ 
  85 & 33$_{ 7,26}$--32$_{ 7,25}$ &  202~881.421 &     5 &  302 &       675.4 &  138 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 
  86 & 39$_{15,24}$--39$_{14,25}$$^\star$ &  202~883.694 &    24 &  423 &       172.6 &  138 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 
  88 & 38$_{15,23}$--38$_{14,24}$$^\star$ &  203~061.073 &    23 &  412 &       166.3 &  138 & Blend with $^{13}$CH$_3$CH$_2$CN and C$_2$H$_5$OCHO \\ 
  90 & 34$_{ 4,30}$--33$_{ 4,29}$ &  203~180.785 &     6 &  303 &       707.8 &  138 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
  91 & 37$_{15,22}$--37$_{14,23}$$^\star$ &  203~222.780 &    23 &  401 &       160.0 &  138 & Blend with $^{34}$SO$_2$ \\ 
  93 & 35$_{ 3,32}$--34$_{ 4,31}$ &  203~290.077 &     6 &  308 &       195.3 &  161 & Blend with C$_2$H$_5$OCHO, CH$_3$CN, $\varv_8$ = 2, and $U$-line \\ 
  94 & 36$_{15,21}$--36$_{14,22}$$^\star$ &  203~369.755 &    22 &  390 &       153.7 &  161 & Strong CH$_3$OCH$_3$ \\ 
  96 & 35$_{ 4,32}$--34$_{ 4,31}$ &  203~466.519 &     6 &  308 &       732.0 &  161 & Blend with CH$_3$CN, $\varv_8$ = 2 and CH$_3$OCHO \\ 
  97 & 35$_{15,20}$--35$_{14,21}$$^\star$ &  203~502.897 &    22 &  380 &       147.5 &  161 & Blend with $^{34}$SO$_2$ \\ 
  99 & 35$_{ 3,32}$--34$_{ 3,31}$ &  203~552.465 &     6 &  308 &       732.0 &  161 & Blend with CH$_3$CN, $\varv_8$ = 2 and H$^{13}$CCCN, $\varv_7$ = 1 \\ 
 100 & 34$_{15,19}$--34$_{14,20}$$^\star$ &  203~623.068 &    22 &  370 &       141.2 &  161 & Blend with CH$_3$OCH$_3$ \\ 
 102 & 35$_{ 4,32}$--34$_{ 3,31}$ &  203~728.907 &     6 &  308 &       195.4 &  364 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 
 103 & 33$_{15,18}$--33$_{14,19}$$^\star$ &  203~731.092 &    21 &  360 &       135.0 &  364 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 
 105 & 34$_{20,14}$--33$_{20,13}$$^\star$ &  203~795.929 &    10 &  429 &       476.3 &  364 & Strong C$_2$H$_3$CN \\ 
 107 & 34$_{21,13}$--33$_{21,12}$$^\star$ &  203~796.393 &    10 &  443 &       450.5 &  364 & Strong C$_2$H$_3$CN \\ 
 109 & 34$_{22,12}$--33$_{22,11}$$^\star$ &  203~805.898 &    11 &  457 &       423.4 &  364 & Strong C$_2$H$_3$CN \\ 
 111 & 34$_{19,15}$--33$_{19,14}$$^\star$ &  203~805.992 &    10 &  416 &       500.8 &  364 & Strong C$_2$H$_3$CN \\ 
 113 & 34$_{23,11}$--33$_{23,10}$$^\star$ &  203~823.272 &    12 &  473 &       395.0 &  364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 
 115 & 32$_{15,17}$--32$_{14,18}$$^\star$ &  203~827.761 &    21 &  351 &       128.7 &  364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 
 117 & 34$_{18,16}$--33$_{18,15}$$^\star$ &  203~828.503 &    10 &  403 &       524.2 &  364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 
 119 & 14$_{ 9, 6}$--13$_{ 8, 5}$$^\star$ &  203~835.897 &    12 &  180 &        80.1 &  364 & Blend with C$_2$H$_3$CN, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 
 121 & 34$_{24,10}$--33$_{24, 9}$$^\star$ &  203~847.587 &    14 &  488 &       365.4 &  364 & Blend with CH$_3$OCHO and C$_2$H$_5$OH \\ 
 123 & 65$_{14,52}$--64$_{15,49}$ &  203~856.381 &   379 &  809 &        80.4 &  364 & Blend with C$_2$H$_5$OH and CH$_3$OCHO \\ 
 124 & 34$_{17,17}$--33$_{17,16}$$^\star$ &  203~865.981 &    10 &  392 &       546.2 &  364 & Blend with CH$_3$OCHO \\ 
 126 & 34$_{25, 9}$--33$_{25, 8}$$^\star$ &  203~878.090 &    15 &  505 &       334.5 &  364 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 128 & 31$_{15,16}$--31$_{14,17}$$^\star$ &  203~913.834 &    21 &  342 &       122.4 &  364 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 130 & 34$_{26, 8}$--33$_{26, 7}$$^\star$ &  203~914.173 &    17 &  522 &       302.4 &  364 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 132 & 34$_{16,18}$--33$_{16,17}$$^\star$ &  203~921.785 &    10 &  380 &       567.0 &  364 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 134 & 34$_{27, 7}$--33$_{27, 6}$$^\star$ &  203~955.332 &    20 &  540 &       269.0 &  364 & Blend with $U$-line \\ 
 136 & 33$_{ 5,28}$--32$_{ 5,27}$ &  203~957.407 &     6 &  296 &       687.9 &  364 & Blend with $U$-line \\ 
 137 & 30$_{15,15}$--30$_{14,16}$$^\star$ &  203~990.040 &    20 &  333 &       116.1 &  364 & Blend with C$_2$H$_5$CN and C$_2$H$_3$CN, $\varv_{11}$ = 3 \\ 
 139 & 34$_{15,19}$--33$_{15,18}$$^\star$ &  204~000.498 &     9 &  370 &       586.5 &  364 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 3 and C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 141 & 34$_{28, 6}$--33$_{28, 5}$$^\star$ &  204~001.151 &    22 &  558 &       234.3 &  364 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 3 and C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 143 & 34$_{29, 5}$--33$_{29, 4}$$^\star$ &  204~051.281 &    26 &  577 &       198.4 &  364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 
 145 & 29$_{15,14}$--29$_{14,15}$$^\star$ &  204~057.079 &    20 &  324 &       109.7 &  364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 
 147 & 64$_{ 6,58}$--64$_{ 6,59}$ &  204~063.746 &   316 &  734 &        27.7 &  364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 
 148 & 64$_{ 6,58}$--64$_{ 5,59}$ &  204~064.065 &   316 &  734 &       201.8 &  364 & Blend with H$^{13}$CCCN, $\varv_7$ = 2 and $U$-line \\ 
 149 & 34$_{30, 4}$--33$_{30, 3}$$^\star$ &  204~105.426 &    30 &  597 &       161.3 &  316 & Blend with $U$-line \\ 
 151 & 34$_{14,20}$--33$_{14,19}$$^\star$ &  204~108.522 &     9 &  360 &       604.7 &  316 & Blend with $U$-line \\ 
 153 & 28$_{15,13}$--28$_{14,14}$$^\star$ &  204~115.622 &    20 &  316 &       103.3 &  316 & Blend with $U$-line \\ 
 155 & 34$_{31, 3}$--33$_{31, 2}$$^\star$ &  204~163.336 &    36 &  618 &       122.8 &  316 & Strong CH$_3$OCH$_3$, C$_2$H$_3$CN, $\varv_{11}$ = 1, and $^{13}$CH$_2$CHCN \\ 
 157 & 27$_{15,12}$--27$_{14,13}$$^\star$ &  204~166.316 &    20 &  308 &        96.9 &  316 & Strong CH$_3$OCH$_3$, C$_2$H$_3$CN, $\varv_{11}$ = 1, and $^{13}$CH$_2$CHCN \\ 
 159 & 22$_{ 6,17}$--21$_{ 5,16}$ &  204~205.122 &    12 &  208 &        60.2 &  316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 160 & 26$_{15,11}$--26$_{14,12}$$^\star$ &  204~209.781 &    20 &  300 &        90.4 &  316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 162 & 25$_{15,10}$--25$_{14,11}$$^\star$ &  204~246.611 &    20 &  292 &        83.8 &  316 & Strong SO$_2$ \\ 
 164 & 34$_{13,22}$--33$_{13,21}$$^\star$ &  204~255.076 &     8 &  351 &       621.9 &  316 & Strong SO$_2$ \\ 
 166 & 24$_{15, 9}$--24$_{14,10}$$^\star$ &  204~277.378 &    20 &  285 &        77.2 &  316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 168 & 52$_{ 1,51}$--52$_{ 0,52}$$^\star$ &  204~278.834 &   248 &  495 &        33.4 &  316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 170 & 52$_{ 2,51}$--52$_{ 1,52}$$^\star$ &  204~278.834 &   248 &  495 &        33.4 &  316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 172 & 23$_{15, 8}$--23$_{14, 9}$$^\star$ &  204~302.630 &    20 &  278 &        70.4 &  316 & Strong C$_2$H$_5$CN \\ 
 174 & 22$_{15, 7}$--22$_{14, 8}$$^\star$ &  204~322.890 &    20 &  272 &        63.5 &  316 & Blend with C$_2$H$_5$CN and $U$-line \\ 
 176 & 21$_{15, 6}$--21$_{14, 7}$$^\star$ &  204~338.662 &    20 &  265 &        56.5 &  316 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 
 178 & 20$_{15, 5}$--20$_{14, 6}$$^\star$ &  204~350.423 &    21 &  259 &        49.3 &  316 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 
 180 & 19$_{15, 4}$--19$_{14, 5}$$^\star$ &  204~358.632 &    21 &  253 &        41.9 &  316 & Blend with CH$_3$CH$_3$CO \\ 
 182 & 18$_{15, 3}$--18$_{14, 4}$$^\star$ &  204~363.725 &    21 &  248 &        34.2 &  316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 
 184 & 15$_{15, 0}$--15$_{14, 1}$$^\star$ &  204~364.340 &    22 &  233 &         9.2 &  316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 
 186 & 17$_{15, 2}$--17$_{14, 3}$$^\star$ &  204~366.116 &    21 &  243 &        26.3 &  316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 
 188 & 16$_{15, 1}$--16$_{14, 2}$$^\star$ &  204~366.197 &    22 &  238 &        18.0 &  316 & Blend with CH$_3$CH$_3$CO and C$_2$H$_5$OCHO \\ 
 190 & 60$_{12,49}$--59$_{13,46}$ &  204~450.542 &   260 &  701 &        72.3 &  316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 \hline
 191 & 34$_{12,23}$--33$_{12,22}$$^\star$ &  204~453.939 &     8 &  343 &       637.5 &  316 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
\hline
%&&&&&&& \\[-8pt]
 193 & 34$_{10,25}$--33$_{10,24}$ &  205~107.534 &     6 &  328 &       665.3 &  100 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$$^{13}$CH$_2$CN \\ 
 194 & 34$_{10,24}$--33$_{10,23}$ &  205~113.060 &     6 &  328 &       665.2 &  100 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$$^{13}$CH$_2$CN \\ 
 195 & 34$_{ 6,29}$--33$_{ 6,28}$ &  205~176.196 &     6 &  307 &       703.2 &  100 & Blend with CH$_3$CHO and CH$_3$$^{13}$CH$_2$CN \\ 
 196 & 35$_{ 4,31}$--34$_{ 5,30}$ &  205~501.651 &     7 &  313 &       152.2 &  100 & Strong CH$_3$OCHO and c-C$_2$H$_4$O \\ 
 197 & 34$_{ 9,26}$--33$_{ 9,25}$ &  205~639.058 &     6 &  322 &       677.2 &  271 & Strong CH$_3$$^{13}$CH$_2$CN and C$_2$H$_5$CN \\ 
 198 & 34$_{ 9,25}$--33$_{ 9,24}$ &  205~708.710 &     6 &  322 &       677.2 &  271 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$OCH$_3$  \\ 
 199 & 33$_{ 6,27}$--32$_{ 6,26}$ &  205~773.682 &     6 &  299 &       685.9 &  271 & Blend with $U$-line and CH$_3$OH in absorption \\ 
 200 & 12$_{10, 2}$--11$_{ 9, 3}$$^\star$ &  205~968.115 &    12 &  179 &        87.1 &  271 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and CH$_3$COOH \\ 
 202 & 37$_{ 1,36}$--36$_{ 2,35}$ &  206~014.847 &     7 &  315 &       287.3 &  280 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 203 & 37$_{ 2,36}$--36$_{ 2,35}$$^\star$ &  206~014.958 &     7 &  315 &       783.9 &  280 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 205 & 37$_{ 2,36}$--36$_{ 1,35}$ &  206~015.138 &     7 &  315 &       287.3 &  280 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 206 & 34$_{ 5,30}$--33$_{ 4,29}$ &  206~035.987 &     6 &  303 &       142.4 &  280 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_5$CN \\ 
 207 & 34$_{ 8,27}$--33$_{ 8,26}$ &  206~266.954 &     6 &  316 &       687.9 &  280 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1, C$_2$H$_5$CN, and CH$_3$OCHO \\ 
 208 & 34$_{ 7,28}$--33$_{ 7,27}$ &  206~461.559 &     6 &  312 &       696.8 &  106 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 209 & 34$_{ 8,26}$--33$_{ 8,25}$ &  206~887.489 &     6 &  316 &       687.9 &  106 & Blend with C$_2$H$_5$CN \\ 
 210 & 38$_{ 0,38}$--37$_{ 1,37}$$^\star$ &  207~355.545 &    13 &  318 &       330.6 &  117 & Blend with $^{13}$CH$_2$CHCN and CH$_3$COOH \\ 
 212 & 38$_{ 0,38}$--37$_{ 0,37}$$^\star$ &  207~355.546 &    13 &  318 &       810.7 &  117 & Blend with $^{13}$CH$_2$CHCN and CH$_3$COOH \\ 
 214 & 35$_{ 5,31}$--34$_{ 5,30}$ &  207~543.638 &     6 &  313 &       728.4 &  282 & Blend with CH$_3$OCHO and $U$-line \\ 
 215 & 17$_{ 8,10}$--16$_{ 7, 9}$ &  207~551.813 &    12 &  188 &        75.2 &  282 & Blend with $U$-line \\ 
 216 & 17$_{ 8, 9}$--16$_{ 7,10}$ &  207~552.401 &    12 &  188 &        75.2 &  282 & Blend with $U$-line \\ 
 217 & 35$_{ 4,31}$--34$_{ 4,30}$ &  208~356.853 &     6 &  313 &       728.8 &  168 & Strong HC$^{13}$CCN and HCC$^{13}$CN \\ 
 218 & 36$_{ 3,33}$--35$_{ 4,32}$ &  208~729.722 &     6 &  318 &       204.9 &  160 & Blend with CH$_3$OCHO and $U$-line \\ 
 219 & 36$_{ 4,33}$--35$_{ 4,32}$ &  208~847.713 &     6 &  318 &       753.3 &  160 & Strong HC$^{13}$CCN, $\varv_6$ = 1 \\ 
 220 & 36$_{ 3,33}$--35$_{ 3,32}$ &  208~906.164 &     6 &  318 &       753.4 &  160 & Strong C$_2$H$_3$CN and CH$_3$OCHO \\ 
 221 & 36$_{ 4,33}$--35$_{ 3,32}$ &  209~024.156 &     6 &  318 &       204.9 &  160 & Strong C$_2$H$_3$CN and CH$_3$OCHO \\ 
 222 & 34$_{ 5,29}$--33$_{ 5,28}$ &  209~279.146 &     6 &  306 &       708.3 &   58 & Blend with NH$_2$CH$_2$CN and CH$_3$CH$_3$CO \\ 
 223 & 34$_{ 7,27}$--33$_{ 7,26}$ &  209~670.004 &     6 &  312 &       698.1 &   45 & Blend with HCC$^{13}$CN, $\varv_7$ = 2 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 
 224 & 35$_{21,14}$--34$_{21,13}$$^\star$ &  209~787.936 &    10 &  453 &       479.8 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 
 226 & 35$_{20,15}$--34$_{20,14}$$^\star$ &  209~790.453 &    10 &  439 &       504.9 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 
 228 & 35$_{22,13}$--34$_{22,12}$$^\star$ &  209~795.133 &    11 &  467 &       453.5 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 
 230 & 35$_{19,16}$--34$_{19,15}$$^\star$ &  209~804.307 &    10 &  426 &       528.7 &   45 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and CH$_3$OCH$_3$ \\ 
 232 & 15$_{ 9, 7}$--14$_{ 8, 6}$$^\star$ &  209~810.239 &    12 &  184 &        81.0 &   45 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and CH$_3$OCH$_3$ \\ 
 234 & 35$_{23,12}$--34$_{23,11}$$^\star$ &  209~810.767 &    12 &  482 &       425.9 &   45 & Strong C$_2$H$_3$CN, $\varv_{11}$ = 1 and CH$_3$OCH$_3$ \\ 
 236 & 35$_{18,17}$--34$_{18,16}$$^\star$ &  209~831.596 &    10 &  413 &       551.4 &   45 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 
 238 & 35$_{24,11}$--34$_{24,10}$$^\star$ &  209~833.824 &    13 &  498 &       397.2 &   45 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 
 240 & 35$_{25,10}$--34$_{25, 9}$$^\star$ &  209~863.488 &    15 &  515 &       367.2 &   45 & Strong C$_2$H$_5$OH, CH$_3$OCHO, and $^{13}$CH$_3$CH$_2$CN \\ 
 242 & 35$_{17,18}$--34$_{17,17}$$^\star$ &  209~875.072 &    10 &  401 &       572.9 &   45 & Strong CH$_3$OCHO, $^{13}$CH$_3$CH$_2$CN, and C$_2$H$_5$CN \\ 
 244 & 35$_{26, 9}$--34$_{26, 8}$$^\star$ &  209~899.094 &    17 &  532 &       336.0 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1 and $^{13}$CH$_3$CH$_2$CN \\ 
 246 & 35$_{16,19}$--34$_{16,18}$$^\star$ &  209~938.416 &    10 &  390 &       593.0 &   45 & Strong CH$_3$OCHO and SO$_2$ \\ 
 248 & 35$_{27, 8}$--34$_{27, 7}$$^\star$ &  209~940.094 &    19 &  550 &       303.6 &   45 & Strong CH$_3$OCHO and SO$_2$ \\ 
 250 & 35$_{15,20}$--34$_{15,19}$$^\star$ &  210~026.654 &    10 &  380 &       612.0 &   45 & Strong HC$_3$N, $\varv_7$ = 1 \\ 
 252 & 37$_{ 2,35}$--36$_{ 3,34}$ &  210~086.448 &     6 &  322 &       251.9 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 253 & 37$_{ 3,35}$--36$_{ 3,34}$ &  210~090.303 &     6 &  322 &       779.0 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 254 & 35$_{30, 5}$--34$_{30, 4}$$^\star$ &  210~091.291 &    29 &  607 &       198.9 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 256 & 37$_{ 2,35}$--36$_{ 2,34}$ &  210~092.485 &     6 &  322 &       779.0 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 257 & 37$_{ 3,35}$--36$_{ 2,34}$ &  210~096.339 &     6 &  322 &       251.9 &   45 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 258 & 35$_{14,22}$--34$_{14,21}$$^\star$ &  210~146.825 &     9 &  370 &       629.7 &   64 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 
 260 & 35$_{31, 4}$--34$_{31, 3}$$^\star$ &  210~150.008 &    35 &  628 &       161.6 &   64 & Blend with $^{13}$CH$_3$CH$_2$CN \\ 
 262 & 35$_{13,23}$--34$_{13,22}$$^\star$ &  210~309.100 &     9 &  361 &       646.3 &   64 & Strong HC$_3$N, $\varv_6$=$\varv_7$ = 1 and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 264 & 35$_{ 5,31}$--34$_{ 4,30}$ &  210~398.840 &     6 &  313 &       152.8 &   64 & Blend with C$_2$H$_5$OH and CH$_3$OCHO \\ 
 265 & 35$_{12,24}$--34$_{12,23}$$^\star$ &  210~528.754 &     8 &  353 &       661.6 &   64 & Strong HC$_3$N, $\varv_7$ = 2 and C$_2$H$_5$OH \\ 
 267 & 20$_{ 7,14}$--19$_{ 6,13}$ &  210~694.282 &    12 &  199 &        69.5 &   37 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 2 \\ 
 268 & 35$_{11,25}$--34$_{11,24}$ &  210~829.766 &     7 &  345 &       675.7 &   37 & Blend with $^{13}$CH$_3$OH and NH$_2$CHO \\ 
 269 & 35$_{11,24}$--34$_{11,23}$ &  210~830.374 &     7 &  345 &       675.6 &   37 & Blend with $^{13}$CH$_3$OH and NH$_2$CHO \\ 
 270 & 20$_{ 7,13}$--19$_{ 6,14}$ &  210~837.991 &    12 &  199 &        69.5 &   37 & Blend with $^{13}$CH$_3$OH and NH$_2$CHO \\ 
 271 & 35$_{ 6,30}$--34$_{ 6,29}$ &  210~871.662 &     6 &  317 &       724.7 &   37 & Blend with $U$-line and C$_2$H$_5$OH \\ 
 272 & 20$_{ 5,15}$--19$_{ 3,16}$ &  210~878.636 &    15 &  192 &         2.3 &   37 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CH$_2$CN, and $U$-line \\ 
 273 & 35$_{10,26}$--34$_{10,25}$ &  211~249.809 &     7 &  338 &       688.5 &   33 & Strong CH$_3$OCHO \\ 
 274 & 35$_{10,25}$--34$_{10,24}$ &  211~259.223 &     7 &  338 &       688.5 &   33 & Strong CH$_3$OCHO \\ 
 275 & 38$_{ 1,37}$--37$_{ 2,36}$$^\star$ &  211~401.390 &    50 &  325 &       296.5 &   33 & Blend with C$_2$H$_5$CN and CH$_3$CH$_3$CO, $\varv_t$ = 1, uncertain baseline \\ 
 277 & 38$_{ 1,37}$--37$_{ 1,36}$$^\star$ &  211~401.444 &     9 &  325 &       805.2 &   33 & Blend with C$_2$H$_5$CN and CH$_3$CH$_3$CO, $\varv_t$ = 1, uncertain baseline \\ 
 279 & 36$_{ 4,32}$--35$_{ 5,31}$ &  211~527.010 &    50 &  323 &       162.7 &   47 & Blend with C$_2$H$_3$CN and CH$_3$OCHO \\ 
 280 & 35$_{ 9,27}$--34$_{ 9,26}$ &  211~828.060 &    50 &  332 &       700.1 &   47 & Blend with $U$-line, C$_2$H$_5$OCHO, and NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 \\ 
 \hline
 281 & 35$_{ 9,26}$--34$_{ 9,25}$ &  211~938.010 &    50 &  332 &       700.1 &   36 & Strong NH$_2$$^{13}$CHO and NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 \\ 
 282 & 13$_{10, 3}$--12$_{ 9, 4}$$^\star$ &  211~955.981 &    12 &  182 &        87.6 &   36 & Strong NH$_2$$^{13}$CHO, $\varv_{12}$ = 1 and NH$_2$$^{13}$CHO \\ 
 284 & 34$_{ 6,28}$--33$_{ 6,27}$ &  212~120.060 &    50 &  309 &       708.0 &   36 & Strong CH$_3$CHO and NH$_2$$^{13}$CHO \\ 
 285 & 35$_{ 8,28}$--34$_{ 8,27}$ &  212~458.290 &    50 &  326 &       710.4 &   99 & Blend with C$_2$H$_3$CN and C$_2$H$_5$OH \\ 
 286 & 35$_{ 7,29}$--34$_{ 7,28}$ &  212~483.750 &    50 &  321 &       719.0 &   99 & Blend with CH$_3$OCHO, a-C$_3$H$_7$CN, and $^{13}$CH$_3$OH, $\varv_t$ = 1 \\ 
 287 & 39$_{ 1,39}$--38$_{ 1,38}$$^\star$ &  212~743.017 &    15 &  328 &       832.1 &   99 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$OH \\ 
 289 & 39$_{ 1,39}$--38$_{ 0,38}$$^\star$ &  212~743.018 &    15 &  328 &       339.8 &   99 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$OH \\ 
 291 & 36$_{ 5,32}$--35$_{ 5,31}$ &  212~972.357 &     6 &  323 &       749.7 &   99 & Blend with $^{13}$CH$_3$CH$_2$CN and $^{34}$SO$_2$ \\ 
 292 & 35$_{ 8,27}$--34$_{ 8,26}$ &  213~353.646 &     6 &  326 &       710.6 &   48 & Blend with $^{13}$CH$_2$CHCN, C$_2$H$_5$CN, and $U$-line \\ 
 293 & 18$_{ 8,11}$--17$_{ 7,10}$ &  213~473.443 &    12 &  193 &        76.1 &   48 & Blend with C$_2$H$_5$$^{13}$CN \\ 
 294 & 50$_{11,40}$--50$_{ 9,41}$ &  213~474.581 &   160 &  532 &         6.1 &   48 & Blend with C$_2$H$_5$$^{13}$CN \\ 
 295 & 18$_{ 8,10}$--17$_{ 7,11}$ &  213~474.845 &    12 &  193 &        76.1 &   48 & Blend with C$_2$H$_5$$^{13}$CN \\ 
 296 & 36$_{ 4,32}$--35$_{ 4,31}$ &  213~568.985 &     6 &  323 &       749.9 &   48 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and $^{13}$CH$_2$CHCN \\ 
 297 & 11$_{11, 0}$--10$_{10, 1}$$^\star$ &  214~056.089 &    12 &  182 &        95.9 &   48 & Strong $^{13}$CH$_3$CN, C$_2$H$_5$$^{13}$CN, and CH$_3$$^{13}$CH$_2$CN \\ 
 299 & 37$_{ 3,34}$--36$_{ 4,33}$ &  214~147.290 &    50 &  328 &       214.4 &   75 & Strong C$_2$H$_5$$^{13}$CN and CH$_3$$^{13}$CH$_2$CN \\ 
 300 & 37$_{ 4,34}$--36$_{ 4,33}$ &  214~225.810 &    50 &  328 &       774.6 &   75 & Strong CH$_2$NH, $^{13}$CH$_3$CN, and C$_2$H$_5$CN \\ 
 301 & 37$_{ 3,34}$--36$_{ 3,33}$ &  214~265.300 &    50 &  328 &       774.6 &   75 & Strong C$_2$H$_5$CN and C$_2$H$_5$OH \\ 
 302 & 37$_{ 4,34}$--36$_{ 3,33}$ &  214~343.817 &     6 &  328 &       214.4 &   75 & Strong $^{13}$CH$_3$CN and C$_2$H$_5$$^{13}$CN \\ 
 303 & 35$_{ 5,30}$--34$_{ 5,29}$ &  214~468.257 &     6 &  316 &       728.6 &   75 & Blend with CH$_3$OCH$_3$ \\ 
 304 & 51$_{16,35}$--51$_{15,36}$ &  214~470.968 &    53 &  591 &       243.9 &   75 & Blend with CH$_3$OCH$_3$ \\ 
 305 & 51$_{16,36}$--51$_{15,37}$ &  214~471.118 &    53 &  591 &       243.9 &   75 & Blend with CH$_3$OCH$_3$ \\ 
 306 & 36$_{ 5,32}$--35$_{ 4,31}$ &  215~014.344 &     6 &  323 &       163.1 &   74 & Blend with $^{13}$CH$_3$CN, $\varv_8$ = 1 \\ 
 307 & 38$_{ 2,36}$--37$_{ 3,35}$ &  215~469.850 &    50 &  332 &       261.1 &   74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 308 & 38$_{ 3,36}$--37$_{ 3,35}$ &  215~472.342 &     7 &  332 &       800.3 &   74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 309 & 38$_{ 2,36}$--37$_{ 2,35}$ &  215~473.742 &     7 &  332 &       800.3 &   74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 310 & 38$_{ 3,36}$--37$_{ 2,35}$ &  215~476.230 &    50 &  332 &       261.1 &   74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 311 & 21$_{ 5,16}$--20$_{ 3,17}$ &  215~480.099 &    15 &  198 &         2.7 &   74 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 312 & 16$_{ 9, 8}$--15$_{ 8, 7}$$^\star$ &  215~778.326 &    12 &  189 &        82.0 &   74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 
 314 & 36$_{21,15}$--35$_{21,14}$$^\star$ &  215~779.220 &    50 &  463 &       508.7 &   74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 
 316 & 36$_{22,14}$--35$_{22,13}$$^\star$ &  215~783.850 &    50 &  477 &       483.1 &   74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 
 318 & 36$_{20,16}$--35$_{20,15}$$^\star$ &  215~784.950 &    50 &  449 &       533.2 &   74 & Blend with C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 
 320 & 36$_{23,13}$--35$_{23,12}$$^\star$ &  215~797.530 &    50 &  492 &       456.3 &   74 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 322 & 36$_{19,17}$--35$_{19,16}$$^\star$ &  215~802.872 &    10 &  436 &       556.3 &   74 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 324 & 36$_{24,12}$--35$_{24,11}$$^\star$ &  215~819.220 &    50 &  508 &       428.4 &   55 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 326 & 36$_{18,18}$--35$_{18,17}$$^\star$ &  215~835.300 &    50 &  423 &       578.4 &   55 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $^{34}$SO \\ 
 328 & 36$_{25,11}$--35$_{25,10}$$^\star$ &  215~847.810 &    50 &  525 &       399.2 &   55 & Strong $^{34}$SO \\ 
 330 & 36$_{26,10}$--35$_{26, 9}$$^\star$ &  215~882.850 &    50 &  542 &       368.9 &   55 & Strong $^{13}$CH$_3$OH \\ 
 332 & 36$_{17,19}$--35$_{17,18}$$^\star$ &  215~885.180 &    50 &  411 &       599.1 &   55 & Strong $^{13}$CH$_3$OH and C$_2$H$_5$OH \\ 
 334 & 36$_{27, 9}$--35$_{27, 8}$$^\star$ &  215~923.600 &    50 &  560 &       337.4 &   55 & Blend with C$_2$H$_5$OH, CH$_3$COOH, and $U$-line \\ 
 336 & 36$_{16,20}$--35$_{16,19}$$^\star$ &  215~956.570 &    50 &  400 &       618.7 &   55 & Strong C$_2$H$_5$CN \\ 
 338 & 36$_{15,21}$--35$_{15,20}$$^\star$ &  216~055.006 &    10 &  390 &       637.2 &   55 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 340 & 36$_{14,22}$--35$_{14,21}$$^\star$ &  216~188.170 &    50 &  380 &       654.5 &   55 & Blend with C$_2$H$_5$CN \\ 
 342 & 36$_{32, 4}$--35$_{32, 3}$$^\star$ &  216~198.450 &    50 &  659 &       161.8 &   55 & Blend with CH$_3$OCHO \\ 
 344 & 36$_{13,23}$--35$_{13,22}$$^\star$ &  216~367.230 &    50 &  371 &       670.6 &   55 & Strong CH$_3$OCHO and $^{13}$CH$_3$OH \\ 
 346 & 21$_{ 7,15}$--20$_{ 6,14}$ &  216~386.644 &    12 &  205 &        70.1 &   55 & Blend with $U$-line \\ 
 347 & 35$_{ 7,28}$--34$_{ 7,27}$ &  216~489.383 &     6 &  322 &       720.8 &   55 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $U$-line \\ 
 348 & 36$_{ 6,31}$--35$_{ 6,30}$ &  216~511.289 &     7 &  327 &       746.2 &   55 & Strong CH$_3$CH$_3$CO, $\varv_t$ = 1 and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 349 & 36$_{12,24}$--35$_{12,23}$$^\star$ &  216~609.170 &    50 &  363 &       685.5 &   55 & Blend with CH$_3$COOH \\ 
 351 & 21$_{ 7,14}$--20$_{ 6,15}$ &  216~649.055 &    12 &  205 &        70.1 &   55 & Strong SO$_2$ \\ 
 352 & 39$_{ 1,38}$--38$_{ 2,37}$$^\star$ &  216~786.652 &    10 &  335 &       305.7 &   50 & Blend with $U$-line and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 
 354 & 39$_{ 1,38}$--38$_{ 1,37}$$^\star$ &  216~786.721 &    10 &  335 &       826.7 &   50 & Blend with $U$-line and CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 
 356 & 42$_{16,26}$--42$_{15,27}$$^\star$ &  216~853.893 &    37 &  469 &       186.2 &   50 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 358 & 36$_{11,26}$--35$_{11,25}$ &  216~940.590 &    50 &  355 &       699.1 &   50 & Strong C$_2$H$_3$CN and CH$_3$OH \\ 
 359 & 36$_{11,25}$--35$_{11,24}$ &  216~941.740 &    50 &  355 &       699.1 &   50 & Strong C$_2$H$_3$CN and CH$_3$OH \\ 
 360 & 41$_{16,25}$--41$_{15,26}$$^\star$ &  217~028.389 &    36 &  456 &       179.9 &   50 & Blend with CH$_3$CH$_3$CO and $^{13}$CN in absorption \\ 
 362 & 40$_{16,24}$--40$_{15,25}$$^\star$ &  217~188.266 &    36 &  445 &       173.6 &   50 & Strong CH$_3$OCH$_3$ \\ 
 364 & 39$_{16,23}$--39$_{15,24}$$^\star$ &  217~334.340 &    35 &  433 &       167.4 &   50 & Blend with CH$_2$$^{13}$CHCN \\ 
 366 & 37$_{ 4,33}$--36$_{ 5,32}$ &  217~368.200 &     8 &  333 &       173.0 &   50 & Blend with $^{13}$CN in absorption, C$_2$H$_5$$^{13}$CN, and $U$-line? \\ 
 367 & 36$_{10,27}$--35$_{10,26}$ &  217~402.380 &    50 &  348 &       711.7 &   50 & Strong HC$^{13}$CCN and $^{13}$CH$_3$OH \\ 
 368 & 36$_{10,26}$--35$_{10,25}$ &  217~418.120 &    50 &  348 &       711.6 &   50 & Strong HCC$^{13}$CN \\ 
 369 & 38$_{16,22}$--38$_{15,23}$$^\star$ &  217~467.396 &    35 &  422 &       161.1 &   50 & Blend with $^{13}$CN in absorption \\ 
 371 & 37$_{16,21}$--37$_{15,22}$$^\star$ &  217~588.187 &    34 &  411 &       154.8 &   50 & Blend with (CH$_2$OH)$_2$ and $U$-line \\ 
 373 & 36$_{16,20}$--36$_{15,21}$$^\star$ &  217~697.439 &    34 &  400 &       148.6 &   50 & Blend with CH$_2$CH$^{13}$CN and $U$-line \\ 
 \hline
 375 & 39$_{ 8,31}$--39$_{ 5,34}$ &  219~371.585 &    37 &  370 &        11.6 &   92 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 \\ 
 376 & 19$_{ 8,12}$--18$_{ 7,11}$ &  219~376.897 &    12 &  198 &        77.1 &   92 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and C$_2$H$_5$OH \\ 
 377 & 19$_{ 8,11}$--18$_{ 7,12}$ &  219~380.063 &    12 &  198 &        77.1 &   92 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1/$\varv_{15}$ = 1 and C$_2$H$_5$OH \\ 
 378 & 38$_{ 3,35}$--37$_{ 4,34}$ &  219~549.670 &    50 &  338 &       223.9 &   92 & Strong C$^{18}$O \\ 
 379 & 36$_{ 5,31}$--35$_{ 5,30}$ &  219~565.844 &     7 &  327 &       748.9 &   92 & Strong C$^{18}$O \\ 
 380 & 38$_{ 4,35}$--37$_{ 4,34}$ &  219~601.640 &    50 &  338 &       796.0 &   92 & Blend with CH$_3$CN, $\varv_4$ = 1 and NH$_2$CN \\ 
 381 & 38$_{ 3,35}$--37$_{ 3,34}$ &  219~628.210 &    50 &  338 &       796.0 &   92 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$CN, $\varv_4$ = 1 \\ 
 382 & 58$_{ 2,56}$--58$_{ 1,57}$$^\star$ &  219~628.923 &   369 &  593 &        66.8 &   92 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$CN, $\varv_4$ = 1 \\ 
 384 & 58$_{ 3,56}$--58$_{ 2,57}$$^\star$ &  219~628.923 &   369 &  593 &        66.8 &   92 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$CN, $\varv_4$ = 1 \\ 
 386 & 63$_{11,53}$--62$_{12,50}$ &  219~678.339 &   347 &  748 &        53.1 &   92 & Strong HC$_3$N, $\varv_7$ = 2 \\ 
 387 & 38$_{ 4,35}$--37$_{ 3,34}$ &  219~680.190 &     7 &  338 &       223.9 &   92 & Strong HC$_3$N, $\varv_7$ = 2 \\ 
\hline
 388 & 13$_{11, 2}$--12$_{10, 3}$$^\star$ &  226~038.817 &    12 &  189 &        96.1 &  278 & Blend with c-C$_2$H$_4$O \\ 
 390 & 40$_{ 2,38}$--39$_{ 3,37}$ &  226~232.383 &     9 &  353 &       279.7 &  278 & Noisy, blend with $U$-line? \\ 
 391 & 40$_{ 3,38}$--39$_{ 3,37}$ &  226~233.371 &     9 &  353 &       843.2 &  278 & Noisy, blend with $U$-line? \\ 
 392 & 40$_{ 2,38}$--39$_{ 2,37}$ &  226~233.942 &     9 &  353 &       843.2 &  278 & Noisy, blend with $U$-line? \\ 
 393 & 40$_{ 3,38}$--39$_{ 2,37}$ &  226~234.930 &     9 &  353 &       279.6 &  278 & Noisy, blend with $U$-line? \\ 
 394 & 59$_{17,42}$--59$_{16,43}$ &  226~530.302 &    99 &  729 &       290.8 &  278 & Blend with C$_2$H$_5$CN \\ 
 395 & 59$_{17,43}$--59$_{16,44}$ &  226~530.999 &    99 &  729 &       290.8 &  278 & Blend with C$_2$H$_5$CN \\ 
 396 & 37$_{ 8,29}$--36$_{ 8,28}$ &  226~531.433 &     7 &  347 &       755.6 &  278 & Blend with C$_2$H$_5$CN \\ 
 397 & 62$_{ 3,59}$--62$_{ 3,60}$$^\star$ &  226~531.914 &   447 &  668 &        15.8 &  278 & Blend with C$_2$H$_5$CN \\ 
 399 & 62$_{ 4,59}$--62$_{ 3,60}$$^\star$ &  226~531.915 &   447 &  668 &       100.4 &  278 & Blend with C$_2$H$_5$CN \\ 
\hline
%&&&&&&& \\[-8pt]
 401 & 23$_{ 7,17}$--22$_{ 6,16}$ &  227~460.224 &    12 &  218 &        70.9 &   85 & Blend with CH$_3$COOH, CH$_2$(OH)CHO, and CH$_2$CH$^{13}$CN \\ 
 402 & 41$_{ 1,40}$--40$_{ 2,39}$$^\star$ &  227~553.664 &    14 &  357 &       324.0 &   85 & Strong C$_2$H$_5$CN and CH$_3$OCHO \\ 
 404 & 41$_{ 1,40}$--40$_{ 1,39}$$^\star$ &  227~553.690 &    14 &  357 &       869.6 &   85 & Strong C$_2$H$_5$CN and CH$_3$OCHO \\ 
 406 & 60$_{ 2,58}$--60$_{ 1,59}$$^\star$ &  227~625.680 &   458 &  624 &        66.9 &   85 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 408 & 60$_{ 2,58}$--60$_{ 2,59}$$^\star$ &  227~625.680 &   458 &  624 &        10.9 &   85 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 410 & 38$_{ 6,33}$--37$_{ 6,32}$ &  227~639.839 &     9 &  348 &       788.8 &   85 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and  CH$_3$OCHO \\ 
 411 & 18$_{ 9,10}$--17$_{ 8, 9}$$^\star$ &  227~689.981 &    12 &  198 &        84.0 &   85 & Blend with $U$-line \\ 
 413 & 23$_{ 5,18}$--22$_{ 3,19}$ &  227~691.505 &    14 &  210 &         3.5 &   85 & Blend with $U$-line \\ 
 414 & 38$_{22,16}$--37$_{22,15}$$^\star$ &  227~759.604 &    11 &  498 &       541.1 &   85 & Blend with H$_2$$^{13}$CS and C$_2$H$_5$OH \\ 
 416 & 38$_{21,17}$--37$_{21,16}$$^\star$ &  227~760.667 &    11 &  484 &       565.4 &   85 & Blend with H$_2$$^{13}$CS and C$_2$H$_5$OH \\ 
 418 & 38$_{23,15}$--37$_{23,14}$$^\star$ &  227~768.859 &    12 &  513 &       515.7 &   85 & Strong C$_2$H$_5$CN \\ 
 420 & 38$_{20,18}$--37$_{20,17}$$^\star$ &  227~773.682 &    11 &  470 &       588.4 &   85 & Strong C$_2$H$_5$CN \\ 
 422 & 38$_{24,14}$--37$_{24,13}$$^\star$ &  227~787.136 &    12 &  529 &       489.3 &   85 & Strong C$_2$H$_5$CN and HC$_3$N, $\varv_6$ = 1 \\ 
 424 & 38$_{19,19}$--37$_{19,18}$$^\star$ &  227~800.733 &    11 &  457 &       610.4 &   85 & Strong $^{13}$CH$_3$CH$_2$CN and CH$_3$OH \\ 
 426 & 38$_{25,13}$--37$_{25,12}$$^\star$ &  227~813.392 &    14 &  546 &       461.7 &   85 & Strong CH$_3$OH \\ 
 428 & 56$_{17,39}$--56$_{16,40}$ &  227~818.866 &    80 &  679 &       270.6 &   85 & Strong CH$_3$OH \\ 
 429 & 56$_{17,40}$--56$_{16,41}$ &  227~819.010 &    80 &  679 &       270.6 &   85 & Strong CH$_3$OH \\ 
 430 & 38$_{18,20}$--37$_{18,19}$$^\star$ &  227~844.521 &    11 &  444 &       631.3 &   85 & Blend with CH$_3$CH$_3$CO, HC$^{13}$CCN, $\varv_7$ = 2, and HCC$^{13}$CN, $\varv_7$ = 2 \\ 
 432 & 38$_{26,12}$--37$_{26,11}$$^\star$ &  227~846.781 &    15 &  563 &       432.9 &   85 & Blend with CH$_3$CH$_3$CO, HC$^{13}$CCN, $\varv_7$ = 2, and HCC$^{13}$CN, $\varv_7$ = 2 \\ 
 434 & 38$_{27,11}$--37$_{27,10}$$^\star$ &  227~886.609 &    17 &  581 &       403.0 &   85 & Strong C$_2$H$_5$OH \\ 
 436 & 38$_{17,21}$--37$_{17,20}$$^\star$ &  227~908.603 &    11 &  432 &       651.0 &   85 & Strong CH$_3$$^{13}$CH$_2$CN and C$_2$H$_3$CN \\ 
\hline
 438 & 44$_{17,27}$--44$_{16,28}$$^\star$ &  231~002.504 &    54 &  504 &       193.5 &  183 & Noisy \\ 
 440 & 21$_{ 8,14}$--20$_{ 7,13}$ &  231~114.753 &    12 &  210 &        78.8 &  183 & Blend with C$_2$H$_3$CN, $\varv_{11}$ = 1, CH$_3$CHO, and $U$-line \\ 
 441 & 21$_{ 8,13}$--20$_{ 7,14}$ &  231~128.746 &    12 &  210 &        78.8 &  183 & Blend with $U$-line and H$_2$$^{13}$CS \\ 
 442 & 43$_{17,26}$--43$_{16,27}$$^\star$ &  231~159.401 &    54 &  491 &       187.2 &  183 & Strong $^{13}$CH$_2$CHCN \\ 
 444 & 42$_{17,25}$--42$_{16,26}$$^\star$ &  231~303.368 &    53 &  479 &       180.9 &   40 & Strong $^{13}$CH$_3$CH$_2$CN and C$_2$H$_5$CN \\ 
 446 & 41$_{17,24}$--41$_{16,25}$$^\star$ &  231~435.094 &    53 &  467 &       174.7 &   40 & Blend with $^{13}$CH$_2$CHCN \\ 
 448 & 40$_{17,23}$--40$_{16,24}$$^\star$ &  231~555.240 &    53 &  455 &       168.4 &   40 & Blend with C$_2$H$_5$OH \\ 
 450 & 41$_{ 2,39}$--40$_{ 3,38}$ &  231~611.663 &    10 &  364 &       288.9 &   40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 
 451 & 41$_{ 3,39}$--40$_{ 3,38}$ &  231~612.288 &    10 &  364 &       864.4 &   40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 
 452 & 41$_{ 2,39}$--40$_{ 2,38}$ &  231~612.651 &    10 &  364 &       864.6 &   40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 
 453 & 41$_{ 3,39}$--40$_{ 2,38}$ &  231~613.276 &    10 &  364 &       288.9 &   40 & Blend with HNCO, $\varv_5$ = 1, CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 
 454 & 61$_{ 2,59}$--61$_{ 1,60}$$^\star$ &  231~619.484 &   508 &  640 &        66.9 &   40 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 
 456 & 61$_{ 3,59}$--61$_{ 2,60}$$^\star$ &  231~619.484 &   508 &  640 &        66.9 &   40 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 
 458 & 58$_{11,47}$--57$_{12,46}$ &  231~619.899 &   325 &  659 &        71.0 &   40 & Blend with CH$_3$OCHO, $^{13}$CH$_3$CN, and $U$-line \\ 
 459 & 39$_{17,22}$--39$_{16,23}$$^\star$ &  231~664.446 &    53 &  444 &       162.2 &   40 & Blend with $^{13}$CH$_3$CH$_2$CN and C$_2$H$_5$OH \\ 
\hline
 461 & 37$_{ 6,32}$--36$_{ 5,31}$ &  232~675.249 &     9 &  337 &       125.2 &   19 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 and $U$-line \\ 
 462 & 24$_{ 7,18}$--23$_{ 6,17}$ &  232~766.448 &    12 &  224 &        71.1 &   19 & Blend with $^{13}$CH$_3$CN, $\varv_8$ = 1 and CH$_3$CH$_3$CO \\ 
\hline
 463 & 40$_{ 5,36}$--39$_{ 4,35}$ &  235~023.563 &     9 &  365 &       203.0 &  131 & Blend with CH$_3$OCHO \\ 
 464 & 39$_{11,29}$--38$_{11,28}$ &  235~323.229 &     8 &  387 &       768.9 &  131 & Blend with CH$_3$CHO and $U$-line \\ 
 465 & 23$_{ 4,19}$--22$_{ 3,20}$ &  235~326.210 &    10 &  208 &        11.1 &  131 & Blend with CH$_3$CHO and $U$-line \\ 
 466 & 39$_{11,28}$--38$_{11,27}$ &  235~328.787 &     8 &  387 &       769.0 &  131 & Blend with CH$_3$CHO and $U$-line \\ 
 \hline
 467 & 40$_{ 5,35}$--39$_{ 6,34}$ &  235~342.332 &    14 &  370 &       156.8 &  131 & Blend with $U$-line and CH$_3$CH$_3$CO \\ 
 468 & 62$_{ 2,60}$--62$_{ 1,61}$$^\star$ &  235~610.226 &   562 &  656 &        67.0 &  131 & Blend with CH$_3$CH$_3$CO, $^{13}$CH$_3$OH, $\varv_t$ = 1, and  \\ 
 & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 470 & 62$_{ 2,60}$--62$_{ 2,61}$$^\star$ &  235~610.226 &   562 &  656 &        10.9 &  131 & Blend with CH$_3$CH$_3$CO, $^{13}$CH$_3$OH, $\varv_t$ = 1, and  \\ 
 & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 472 & 38$_{ 6,32}$--37$_{ 6,31}$ &  235~612.906 &    10 &  351 &       792.6 &  131 & Blend with CH$_3$CH$_3$CO, $^{13}$CH$_3$OH, $\varv_t$ = 1, and  \\ 
 & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 473 & 38$_{ 6,33}$--37$_{ 5,32}$ &  235~699.420 &     8 &  348 &       136.0 &  131 & Blend with CH$_3$OCH$_3$, uncertain baseline \\ 
 474 & 41$_{ 3,38}$--40$_{ 4,37}$ &  235~705.579 &    10 &  370 &       252.1 &  131 & Blend with CH$_3$OCH$_3$, uncertain baseline \\ 
 475 & 41$_{ 4,38}$--40$_{ 4,37}$ &  235~720.329 &    10 &  370 &       860.1 &  131 & Blend with CH$_3$OCH$_3$, uncertain baseline \\ 
 476 & 41$_{ 3,38}$--40$_{ 3,37}$ &  235~728.110 &    10 &  370 &       860.0 &  131 & Blend with $U$-line, uncertain baseline \\ 
 477 & 67$_{13,55}$--66$_{14,52}$ &  235~732.617 &   481 &  838 &        79.3 &  131 & Blend with $U$-line, uncertain baseline \\ 
 478 & 41$_{ 4,38}$--40$_{ 3,37}$ &  235~742.860 &    10 &  370 &       252.1 &  131 & Baseline problem, or absorption line? \\ 
 479 & 17$_{10, 8}$--16$_{ 9, 7}$$^\star$ &  235~876.754 &    12 &  199 &        90.8 &  131 & Strong CH$_3$OCHO, C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, and $^{13}$CH$_3$OH \\ 
 481 & 39$_{10,30}$--38$_{10,29}$ &  235~923.054 &     8 &  380 &       780.4 &  131 & Blend with CH$_3$OCHO \\ 
 482 & 39$_{10,29}$--38$_{10,28}$ &  235~988.744 &     8 &  380 &       780.5 &  131 & Strong C$_2$H$_5$OH and $^{13}$CH$_3$OH \\ 
\hline
%&&&&&&& \\[-8pt]
 483 & 68$_{ 4,64}$--68$_{ 3,65}$$^\star$ &  240~990.966 &   671 &  784 &       134.4 &  216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 
 485 & 68$_{ 5,64}$--68$_{ 4,65}$$^\star$ &  240~990.969 &   671 &  784 &       134.4 &  216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 
 487 & 40$_{12,29}$--39$_{12,28}$ &  240~992.017 &     9 &  406 &       779.7 &  216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 
 488 & 40$_{12,28}$--39$_{12,27}$ &  240~992.663 &     9 &  406 &       779.7 &  216 & Strong CH$_3$OCH$_3$, C$_2$H$_5$$^{13}$CN, and CH$_3$CH$_3$CO \\ 
 489 & 39$_{ 6,33}$--38$_{ 6,32}$ &  241~002.693 &    11 &  363 &       812.9 &  216 & Strong C$_2$H$_5$$^{13}$CN, CH$_3$CH$_3$CO, and C$^{34}$S \\ 
 490 & 42$_{ 3,39}$--41$_{ 4,38}$ &  241~081.365 &    11 &  382 &       261.4 &  216 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 
 491 & 42$_{ 4,39}$--41$_{ 4,38}$ &  241~090.991 &    11 &  382 &       881.3 &  216 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 
 492 & 42$_{ 3,39}$--41$_{ 3,38}$ &  241~096.116 &    11 &  382 &       881.3 &  216 & Blend with CH$_3$$^{13}$CH$_2$CN and $U$-line \\ 
 493 & 42$_{ 4,39}$--41$_{ 3,38}$ &  241~105.742 &    11 &  382 &       261.4 &  216 & Blend with $U$-line and C$_2$H$_5$CN \\ 
\hline
 494 & 16$_{11, 5}$--15$_{10, 6}$$^\star$ &  244~001.794 &    12 &  201 &        97.9 &   46 & Blend with C$_2$H$_5$OH \\ 
 496 & 41$_{ 6,36}$--40$_{ 6,35}$ &  244~037.948 &    12 &  382 &       852.7 &   46 & Strong H$_2$CS \\ 
 497 & 41$_{ 5,36}$--40$_{ 5,35}$ &  244~944.066 &    12 &  382 &       853.1 &   39 & Strong CS \\ 
 498 & 45$_{ 0,45}$--44$_{ 1,44}$$^\star$ &  245~041.483 &    39 &  394 &       394.8 &   39 & Blend with C$_2$H$_5$CN and C$_2$H$_5$$^{13}$CN \\ 
 500 & 45$_{ 1,45}$--44$_{ 1,44}$$^\star$ &  245~041.483 &    39 &  394 &       960.6 &   39 & Blend with C$_2$H$_5$CN and C$_2$H$_5$$^{13}$CN \\ 
 502 & 42$_{ 4,38}$--41$_{ 5,37}$ &  245~115.653 &    12 &  388 &       222.4 &   72 & Strong CH$_2$NH \\ 
 503 & 42$_{ 5,38}$--41$_{ 5,37}$ &  245~270.702 &    12 &  388 &       877.3 &   72 & Strong HC$_3$N, $\varv_4$ = 1 and C$_2$H$_5$$^{13}$CN \\ 
 504 & 45$_{18,27}$--45$_{17,28}$$^\star$ &  245~277.970 &    79 &  528 &       194.5 &   72 & Strong C$_2$H$_5$$^{13}$CN \\ 
 506 & 42$_{ 4,38}$--41$_{ 4,37}$ &  245~344.019 &    12 &  388 &       877.3 &   72 & Strong SO$_2$ and CH$_3$CH$_3$CO \\ 
 507 & 44$_{18,26}$--44$_{17,27}$$^\star$ &  245~407.219 &    79 &  515 &       188.3 &   72 & Blend with CH$_3$CH$_3$CO \\ 
 509 & 21$_{ 9,13}$--20$_{ 8,12}$ &  245~470.669 &    12 &  215 &        86.9 &   72 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 
 510 & 21$_{ 9,12}$--20$_{ 8,13}$ &  245~471.188 &    12 &  215 &        86.9 &   72 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 
 511 & 86$_{10,76}$--86$_{ 9,77}$ &  245~475.958 &  1519 & 1239 &       344.4 &   72 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and C$_2$H$_3$CN, $\varv_{11}$ = 1 \\ 
 512 & 42$_{ 5,38}$--41$_{ 4,37}$ &  245~499.068 &    12 &  388 &       222.4 &   72 & Strong HC$^{13}$CCN, $\varv_7$ = 1 \\ 
 513 & 43$_{18,25}$--43$_{17,26}$$^\star$ &  245~525.550 &    78 &  502 &       182.0 &   72 & Strong HCC$^{13}$CN, $\varv_7$ = 1 \\ 
 515 & 42$_{18,24}$--42$_{17,25}$$^\star$ &  245~633.528 &    78 &  490 &       175.7 &   53 & Blend with CH$_2$$^{13}$CHCN and C$_2$H$_3$CN, $\varv_{15}$ = 2 \\ 
 517 & 77$_{ 7,70}$--77$_{ 7,71}$$^\star$ &  245~718.043 &   974 &  998 &        32.3 &   53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 
 519 & 77$_{ 8,70}$--77$_{ 7,71}$$^\star$ &  245~718.533 &   974 &  998 &       237.4 &   53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 
 521 & 41$_{22,19}$--40$_{22,18}$$^\star$ &  245~718.666 &    11 &  532 &       625.3 &   53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 
 523 & 41$_{23,18}$--40$_{23,17}$$^\star$ &  245~719.705 &    12 &  547 &       601.8 &   53 & Blend with CH$_2$$^{13}$CHCN and HNCO, $\varv_5$ = 1 \\ 
 525 & 41$_{21,20}$--40$_{21,19}$$^\star$ &  245~730.112 &    12 &  517 &       647.8 &   53 & Blend with HNCO, $\varv_5$ = 1 \\ 
 527 & 41$_{24,17}$--40$_{24,16}$$^\star$ &  245~731.600 &    12 &  563 &       577.2 &   53 & Blend with HNCO, $\varv_5$ = 1 \\ 
 529 & 41$_{18,23}$--41$_{17,24}$$^\star$ &  245~731.700 &    78 &  478 &       169.5 &   53 & Blend with HNCO, $\varv_5$ = 1 \\ 
 531 & 42$_{ 8,34}$--42$_{ 5,37}$ &  245~748.107 &    35 &  405 &         8.6 &   53 & Strong CH$_2$$^{13}$CHCN and CH$_3$OCHO \\ 
 532 & 41$_{25,16}$--40$_{25,15}$$^\star$ &  245~753.043 &    13 &  579 &       551.6 &   53 & Strong CH$_2$$^{13}$CHCN, CH$_3$OCHO, and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 
 534 & 41$_{20,21}$--40$_{20,20}$$^\star$ &  245~756.100 &    12 &  504 &       669.2 &   53 & Strong CH$_3$OCHO and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 
 536 & 41$_{26,15}$--40$_{26,14}$$^\star$ &  245~782.976 &    14 &  597 &       525.1 &   53 & Strong CH$_2$$^{13}$CHCN and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 538 & 41$_{19,22}$--40$_{19,21}$$^\star$ &  245~799.265 &    12 &  490 &       689.7 &   53 & Blend with CH$_2$CH$^{13}$CN \\ 
 540 & 48$_{ 8,40}$--47$_{ 9,39}$ &  245~812.073 &   103 &  487 &        81.9 &   53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 
 541 & 41$_{27,14}$--40$_{27,13}$$^\star$ &  245~820.530 &    15 &  614 &       497.4 &   53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 
 543 & 40$_{18,22}$--40$_{17,23}$$^\star$ &  245~820.595 &    78 &  466 &       163.2 &   53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 
 545 & 41$_{18,23}$--40$_{18,22}$$^\star$ &  245~863.030 &    12 &  478 &       708.9 &   53 & Blend with CH$_2$CH$^{13}$CN \\ 
 547 & 41$_{28,13}$--40$_{28,12}$$^\star$ &  245~864.987 &    16 &  633 &       468.6 &   53 & Blend with CH$_2$CH$^{13}$CN \\ 
 549 & 39$_{18,21}$--39$_{17,22}$$^\star$ &  245~900.727 &    78 &  455 &       157.0 &   53 & Strong CH$_3$OCHO and CH$_2$CH$^{13}$CN \\ 
 551 & 41$_{29,12}$--40$_{29,11}$$^\star$ &  245~915.751 &    17 &  652 &       438.9 &   53 & Strong CH$_2$CH$^{13}$CN and CH$_2$$^{13}$CHCN \\ 
 553 & 26$_{ 7,19}$--25$_{ 6,20}$ &  245~927.818 &    12 &  239 &        70.3 &   53 & Blend with CH$_2$CH$^{13}$CN \\ 
 554 & 41$_{17,24}$--40$_{17,23}$$^\star$ &  245~951.925 &    12 &  466 &       727.2 &   53 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 
 \hline
 556 & 41$_{30,11}$--40$_{30,10}$$^\star$ &  245~972.316 &    19 &  672 &       408.0 &   53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $\varv$=0, and $U$-line \\ 
 558 & 38$_{18,20}$--38$_{17,21}$$^\star$ &  245~972.593 &    78 &  443 &       150.7 &   53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and $\varv$=0, and $U$-line \\ 
 560 & 41$_{31,10}$--40$_{31, 9}$$^\star$ &  246~034.256 &    22 &  692 &       376.2 &   53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$OCHO \\ 
 562 & 37$_{18,19}$--37$_{17,20}$$^\star$ &  246~036.674 &    78 &  432 &       144.4 &   53 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and CH$_3$OCHO \\ 
\hline
 564 & 27$_{ 7,21}$--26$_{ 6,20}$ &  247~058.498 &    12 &  246 &        70.8 &   68 & Strong CH$_3$OCHO \\ 
 565 & 63$_{12,51}$--62$_{13,50}$ &  247~101.751 &   518 &  754 &        76.5 &   68 & Blend with C$_2$H$_3$CN and HC$_3$N, $\varv_7$ = 2 \\ 
 566 & 41$_{12,30}$--40$_{12,29}$ &  247~104.436 &    10 &  418 &       803.0 &   68 & Blend with C$_2$H$_3$CN and HC$_3$N, $\varv_7$ = 2 \\ 
 567 & 41$_{12,29}$--40$_{12,28}$ &  247~105.557 &    10 &  418 &       803.0 &   68 & Blend with C$_2$H$_3$CN and HC$_3$N, $\varv_7$ = 2 \\ 
 568 & 41$_{ 6,36}$--40$_{ 5,35}$ &  247~299.045 &    10 &  382 &       168.3 &   68 & Blend with C$_2$H$_3$CN, $\varv_{15}$ = 1 \\ 
 569 & 41$_{ 7,35}$--40$_{ 7,34}$ &  247~432.588 &    13 &  387 &       849.3 &   68 & Blend with C$_2$H$_5$OCHO, t-HCOOH, and $^{34}$SO$_2$ \\ 
\hline
 570 & 42$_{17,25}$--41$_{17,24}$$^\star$ &  251~968.635 &    13 &  478 &       752.3 &   42 & Blend with CH$_3$OCH$_3$ \\ 
 572 & 27$_{ 7,20}$--26$_{ 6,21}$ &  252~059.917 &    12 &  246 &        69.6 &   42 & Blend with CH$_3$$^{13}$CH$_2$CN, C$_2$H$_5$CN, $\varv_{20}$ = 1, a-C$_3$H$_7$CN, and  \\ 
 & & & & & & & $U$-line \\ 
 573 & 42$_{32,10}$--41$_{32, 9}$$^\star$ &  252~075.949 &    25 &  725 &       377.4 &   42 & Blend with a-C$_3$H$_7$CN and t-HCOOH \\ 
 575 & 15$_{12, 3}$--14$_{11, 4}$$^\star$ &  252~090.157 &    12 &  204 &       105.6 &   42 & Strong t-HCOOH and CH$_3$OH \\ 
 577 & 42$_{16,27}$--41$_{16,26}$$^\star$ &  252~100.361 &    12 &  467 &       769.0 &   42 & Strong CH$_3$OH and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 579 & 42$_{15,28}$--41$_{15,27}$$^\star$ &  252~274.857 &    12 &  456 &       784.8 &   42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 581 & 64$_{ 1,63}$--64$_{ 0,64}$$^\star$ &  252~277.352 &   860 &  678 &        33.6 &   42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 583 & 64$_{ 1,63}$--64$_{ 1,64}$$^\star$ &  252~277.352 &   860 &  678 &         5.7 &   42 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
\hline
 585 & 25$_{ 8,18}$--24$_{ 7,17}$ &  254~150.394 &    12 &  236 &        81.3 &   32 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 586 & 13$_{13, 0}$--12$_{12, 1}$$^\star$ &  254~156.954 &    13 &  204 &       114.2 &   32 & Blend with CH$_3$CH$_3$CO and $U$-line \\ 
 588 & 25$_{ 8,17}$--24$_{ 7,18}$ &  254~324.253 &    12 &  236 &        81.3 &   32 & Strong $^{13}$CH$_3$OH \\ 
\hline
 589 & 42$_{ 9,34}$--41$_{ 9,33}$ &  255~230.622 &    14 &  409 &       858.3 &  217 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and NH$_2$CHO \\ 
 590 & 43$_{ 5,38}$--42$_{ 5,37}$ &  255~329.346 &    15 &  405 &       895.6 &  217 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 and HC$_3$N, $\varv_7$ = 1 \\ 
 591 & 41$_{ 7,34}$--40$_{ 7,33}$ &  255~562.496 &    16 &  389 &       855.2 &  217 & Strong SO$_2$ and CH$_2$CH$^{13}$CN \\ 
\hline
 592 & 46$_{ 7,39}$--45$_{ 8,38}$ &  257~971.741 &    60 &  454 &       112.3 & 1127 & Strong t-HCOOH and CH$_3$CN, $\varv_8$ = 1 \\ 
 593 & 43$_{31,12}$--42$_{31,11}$$^\star$ &  257~980.769 &    18 &  716 &       442.3 & 1127 & Strong t-HCOOH and CH$_3$CN, $\varv_8$ = 1 \\ 
 595 & 43$_{17,26}$--42$_{17,25}$$^\star$ &  257~986.516 &    13 &  490 &       777.1 & 1127 & Strong t-HCOOH and CH$_3$CN, $\varv_8$ = 1 \\ 
 597 & 55$_{19,36}$--55$_{18,37}$$^\star$ &  258~045.723 &   118 &  685 &       252.3 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 
 599 & 43$_{32,11}$--42$_{32,10}$$^\star$ &  258~048.624 &    22 &  737 &       410.9 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 
 601 & 16$_{12, 4}$--15$_{11, 5}$$^\star$ &  258~080.161 &    12 &  208 &       106.2 & 1127 & Strong CH$_3$OCHO, CH$_3$$^{13}$CN, $\varv_8$ = 1, and NH$_2$CN \\ 
 603 & 43$_{33,10}$--42$_{33, 9}$$^\star$ &  258~121.617 &    31 &  759 &       378.5 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 and CH$_3$OCHO \\ 
 605 & 43$_{16,28}$--42$_{16,27}$$^\star$ &  258~130.483 &    13 &  479 &       793.5 & 1127 & Strong CH$_3$OCHO and CH$_3$CN, $\varv_8$ = 1 \\ 
 607 & 43$_{15,29}$--42$_{15,28}$$^\star$ &  258~320.451 &    13 &  469 &       809.0 & 1127 & Strong CH$_3$CN, $\varv_8$ = 1 \\ 
\hline
%&&&&&&& \\[-8pt]
 609 & 43$_{13,31}$--42$_{13,30}$ &  258~903.344 &    12 &  450 &       836.8 & 1609 & Noisy, blend with $^{13}$CH$_2$CHCN \\ 
 610 & 43$_{13,30}$--42$_{13,29}$ &  258~903.558 &    12 &  450 &       836.8 & 1609 & Noisy, blend with $^{13}$CH$_2$CHCN \\ 
\hline
%&&&&&&& \\[-8pt]
 611 & 43$_{11,32}$--42$_{11,31}$ &  260~000.636 &    13 &  434 &       860.9 &  413 & Strong CH$_3$OCH$_3$ and CH$_2$$^{13}$CHCN \\ 
 612 & 40$_{19,21}$--40$_{18,22}$$^\star$ &  260~004.028 &   112 &  478 &       158.0 &  413 & Strong CH$_3$OCH$_3$ and CH$_2$$^{13}$CHCN \\ 
 614 & 26$_{ 8,18}$--25$_{ 7,19}$ &  260~060.358 &    12 &  243 &        81.7 &  413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$OH \\ 
 615 & 39$_{19,20}$--39$_{18,21}$$^\star$ &  260~060.729 &   112 &  466 &       151.7 &  413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and CH$_3$OH \\ 
 617 & 38$_{19,19}$--38$_{18,20}$$^\star$ &  260~110.774 &   112 &  455 &       145.4 &  413 & Strong C$_2$H$_5$OH and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 
 619 & 14$_{13, 1}$--13$_{12, 2}$$^\star$ &  260~151.979 &    13 &  207 &       114.1 &  413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and C$_2$H$_5$CN \\ 
 621 & 37$_{19,18}$--37$_{18,19}$$^\star$ &  260~154.562 &   113 &  444 &       139.0 &  413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and C$_2$H$_5$CN \\ 
 623 & 36$_{19,17}$--36$_{18,18}$$^\star$ &  260~192.478 &   113 &  434 &       132.7 &  413 & Strong NH$_2$CHO and CH$_2$CO \\ 
 625 & 44$_{ 6,39}$--43$_{ 6,38}$ &  260~216.245 &    17 &  418 &       916.5 &  413 & Strong C$_2$H$_5$CN and C$_2$H$_5$CN, $\varv_{20}$ = 1 \\ 
 626 & 35$_{19,16}$--35$_{18,17}$$^\star$ &  260~224.898 &   113 &  423 &       126.2 &  413 & Strong C$_2$H$_5$CN, $\varv_{20}$ = 1 and C$_2$H$_5$CN \\ 
 628 & 34$_{19,15}$--34$_{18,16}$$^\star$ &  260~252.187 &   113 &  413 &       119.8 &  413 & Strong C$_2$H$_5$OH, CH$_3$OCHO, H$^{13}$CO$^+$, and  \\ 
 & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 630 & 73$_{14,60}$--72$_{15,57}$ &  260~255.958 &   771 &  968 &        86.0 &  413 & Strong C$_2$H$_5$OH, CH$_3$OCHO, H$^{13}$CO$^+$, and  \\ 
 & & & & & & & C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 631 & 19$_{19, 0}$--19$_{18, 1}$$^\star$ &  260~262.738 &   117 &  297 &         9.3 &  413 & Strong H$^{13}$CO$^+$ and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 633 & 33$_{19,14}$--33$_{18,15}$$^\star$ &  260~274.699 &   113 &  403 &       113.3 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, C$_2$H$_5$CN, $\varv_{20}$ = 1, and H$_2$$^{13}$CS \\ 
 635 & 20$_{19, 1}$--20$_{18, 2}$$^\star$ &  260~275.506 &   117 &  302 &        18.2 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, C$_2$H$_5$CN, $\varv_{20}$ = 1, and H$_2$$^{13}$CS \\ 
 637 & 21$_{19, 2}$--21$_{18, 3}$$^\star$ &  260~287.415 &   116 &  309 &        26.7 &  413 & Strong H$_2$$^{13}$CS and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 639 & 32$_{19,13}$--32$_{18,14}$$^\star$ &  260~292.777 &   113 &  394 &       106.7 &  413 & Strong H$_2$$^{13}$CS and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 641 & 22$_{19, 3}$--22$_{18, 4}$$^\star$ &  260~298.247 &   116 &  315 &        34.9 &  413 & Strong H$_2$$^{13}$CS and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 643 & 31$_{19,12}$--31$_{18,13}$$^\star$ &  260~306.755 &   113 &  385 &       100.0 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 645 & 23$_{19, 4}$--23$_{18, 5}$$^\star$ &  260~307.776 &   116 &  321 &        42.8 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 647 & 24$_{19, 5}$--24$_{18, 6}$$^\star$ &  260~315.766 &   115 &  328 &        50.5 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 649 & 30$_{19,11}$--30$_{18,12}$$^\star$ &  260~316.958 &   114 &  376 &        93.3 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$OCH$_3$, and C$_2$H$_5$CN \\ 
 651 & 25$_{19, 6}$--25$_{18, 7}$$^\star$ &  260~321.972 &   115 &  336 &        58.0 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$OCH$_3$, and C$_2$H$_5$CN \\ 
 653 & 29$_{19,10}$--29$_{18,11}$$^\star$ &  260~323.698 &   114 &  367 &        86.5 &  413 & Strong C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$OCH$_3$, and C$_2$H$_5$CN \\ 
 655 & 26$_{19, 7}$--26$_{18, 8}$$^\star$ &  260~326.138 &   115 &  343 &        65.4 &  413 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$CN \\ 
 \hline
 657 & 28$_{19, 9}$--28$_{18,10}$$^\star$ &  260~327.281 &   114 &  359 &        79.6 &  413 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$CN \\ 
 659 & 27$_{19, 8}$--27$_{18, 9}$$^\star$ &  260~327.999 &   114 &  351 &        72.5 &  413 & Strong CH$_3$OCH$_3$ and C$_2$H$_5$CN \\ 
\hline
%&&&&&&& \\[-8pt]
 661 & 43$_{ 9,34}$--42$_{ 9,33}$ &  263~500.082 &    18 &  422 &       881.1 &   74 & Blend with C$_2$H$_5$$^{13}$CN and CH$_3$OCH$_3$ \\ 
 662 & 37$_{ 7,31}$--36$_{ 6,30}$ &  263~656.862 &    14 &  340 &        85.0 &  108 & Strong CH$_3$OCH$_3$ \\ 
 663 & 44$_{23,21}$--43$_{23,20}$$^\star$ &  263~662.413 &    12 &  583 &       684.9 &  108 & Strong CH$_3$OCH$_3$, HNCO, and HC$^{13}$CCN, $\varv_7$ = 1 \\ 
 665 & 44$_{24,20}$--43$_{24,19}$$^\star$ &  263~666.216 &    12 &  599 &       662.1 &  108 & Strong CH$_3$OCH$_3$, HNCO, and HC$^{13}$CCN, $\varv_7$ = 1 \\ 
 667 & 44$_{22,22}$--43$_{22,21}$$^\star$ &  263~671.555 &    13 &  568 &       706.8 &  108 & Strong CH$_3$OCH$_3$, HNCO, and HC$^{13}$CCN, $\varv_7$ = 1 \\ 
 669 & 44$_{25,19}$--43$_{25,18}$$^\star$ &  263~681.350 &    13 &  616 &       638.2 &  108 & Strong HC$^{13}$CCN, $\varv_7$ = 1, HNCO, and HN$^{13}$CO \\ 
 671 & 44$_{21,23}$--43$_{21,22}$$^\star$ &  263~695.661 &    13 &  554 &       727.7 &  108 & Strong HCC$^{13}$CN, $\varv_7$ = 1 and C$_2$H$_5$OH \\ 
 673 & 44$_{26,18}$--43$_{26,17}$$^\star$ &  263~706.506 &    13 &  633 &       613.4 &  108 & Strong HCC$^{13}$CN, $\varv_7$ = 1 \\ 
 675 & 44$_{20,24}$--43$_{20,23}$$^\star$ &  263~737.291 &    14 &  540 &       747.7 &  108 & Strong HNCO \\ 
 677 & 44$_{27,17}$--43$_{27,16}$$^\star$ &  263~740.615 &    14 &  651 &       587.6 &  108 & Strong HNCO \\ 
 679 & 44$_{28,16}$--43$_{28,15}$$^\star$ &  263~782.797 &    15 &  669 &       560.8 &  108 & Strong HC$_3$N and CH$_3$OH, $\varv_t$ = 1 \\ 
 681 & 44$_{19,25}$--43$_{19,24}$$^\star$ &  263~799.727 &    14 &  527 &       766.8 &  108 & Strong HC$_3$N, CH$_3$OH, $\varv_t$ = 1, and HC$_3$N, $\varv_5$ = 1/$\varv_7$ = 3 \\ 
 683 & 44$_{29,15}$--43$_{29,14}$$^\star$ &  263~832.314 &    16 &  688 &       533.0 &  108 & Blend with NH$_2$CHO and $U$-line? \\ 
 685 & 38$_{ 7,32}$--37$_{ 6,31}$ &  263~847.676 &    14 &  351 &        91.4 &  108 & Blend with NH$_2$CHO \\ 
 686 & 47$_{ 2,45}$--46$_{ 3,44}$$^\star$ &  263~860.484 &    28 &  434 &       344.1 &  108 & Blend with C$_2$H$_5$OH and C$_2$H$_5$$^{13}$CN \\ 
 688 & 47$_{ 2,45}$--46$_{ 2,44}$$^\star$ &  263~860.546 &    28 &  434 &       992.8 &  108 & Blend with C$_2$H$_5$OH and C$_2$H$_5$$^{13}$CN \\ 
 690 & 44$_{18,26}$--43$_{18,25}$$^\star$ &  263~887.257 &    14 &  514 &       784.7 &  108 & Strong CH$_3$CH$_3$CO and HNCO, $\varv_4$ = 1 \\ 
 692 & 44$_{30,14}$--43$_{30,13}$$^\star$ &  263~888.552 &    16 &  708 &       504.4 &  108 & Strong CH$_3$CH$_3$CO and HNCO, $\varv_4$ = 1 \\ 
 694 & 44$_{17,27}$--43$_{17,26}$$^\star$ &  264~005.588 &    14 &  502 &       801.8 &  108 & Strong CH$_3$$^{13}$CH$_2$CN \\ 
 696 & 17$_{12, 5}$--16$_{11, 6}$$^\star$ &  264~068.075 &    12 &  213 &       106.9 &  108 & Blend with CH$_3$CH$_3$CO, $\varv_t$ = 1 \\ 
\hline
%&&&&&&& \\[-8pt]
 698 & 46$_{ 4,42}$--45$_{ 5,41}$ &  266~675.648 &    20 &  436 &       260.6 &   91 & Strong O$^{13}$CS and C$_2$H$_5$$^{13}$CN \\ 
 699 & 46$_{ 5,42}$--45$_{ 5,41}$ &  266~707.175 &    20 &  436 &       962.7 &   91 & Strong CH$_3$OH \\ 
 700 & 29$_{ 6,23}$--28$_{ 5,24}$ &  266~722.756 &    11 &  258 &        39.0 &   91 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$CH$_3$CO, $\varv_t$ = 1,  and $U$-line \\ 
 701 & 46$_{ 4,42}$--45$_{ 4,41}$ &  266~722.874 &    20 &  436 &       962.6 &   91 & Blend with C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1, CH$_3$CH$_3$CO, $\varv_t$ = 1, and $U$-line \\ 
 702 & 46$_{ 5,42}$--45$_{ 4,41}$ &  266~754.401 &    20 &  436 &       260.6 &   91 & Blend with $U$-line \\ 
 703 & 44$_{ 8,37}$--43$_{ 8,36}$ &  266~788.303 &    20 &  429 &       909.3 &   91 & Blend with $U$-line \\ 
 704 & 44$_{10,35}$--43$_{10,34}$ &  266~958.528 &    17 &  440 &       893.9 &   91 & Blend with C$_2$H$_5$OH and $U$-line \\ 
 705 & 44$_{10,34}$--44$_{ 7,37}$ &  267~152.855 &   100 &  440 &         8.9 &   91 & Strong NH$_2$$^{13}$CHO, CH$_3$CH$_3$CO, and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 706 & 43$_{ 7,36}$--42$_{ 7,35}$ &  267~157.130 &    20 &  414 &       897.1 &   91 & Strong NH$_2$$^{13}$CHO, CH$_3$CH$_3$CO, and C$_2$H$_5$CN, $\varv_{13}$ = 1/$\varv_{21}$ = 1 \\ 
 \hline
 \end{tabular}
\medskip
 Notes:
 $^a$ Numbering of the observed transitions associated with a modeled line stronger than 20 mK.
 $^b$ Transitions marked with a $^\star$ are double with a frequency difference less than 0.1 MHz. The quantum numbers of the second one are not shown.
 $^c$ Frequency uncertainty.
 $^d$ Lower energy level in temperature units ($E_{\rm l}/k_{\rm B}$).
 $^e$ Calculated rms noise level in $T_{{\rm mb}}$ scale.
 \end{table}