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Table E.1.

Chronology of extragalactic detections.

Year Molecule Reference Year Molecule Reference Year Molecule Reference
1971 OH 1 2003 SO2 38 2013 C2 59
1974 H2CO 2 2003 NO 38 2013 C3 59
1975 CO 3 2003 NS 38 2013 HCS+ 60
1975 13CO 4 2003 34SO 38 2013 NH2CHO 60
1977 H2O 5 2004 HOC+ 39 2013 30SiO 60
1977 HCN 6 2004 NH 40 2014 H2Cl+ 61
1978 H2 7 2004 OH+ 41,42 2014 HCl+ 61
1979 NH3 8 2006 C2S 43 2014 NH2 62
1979 HCO+ 9 2006 NH2CN 44 2014 HO 62
1980 CH 10 2006 HOCO+ 44 2014 13CN 63
1985 CS 11 2006 c-C3H 44 2015 ArH+ 64
1986 c-C3H2 12 2006 DNC † 44 2015 38ArH+ 64
1987 CH+ 13,14 2006 N2D+ † 44 2015 HC5N 65,66,75
1987 CH3OH 15 2006 CH2NH 44,45 2015 CH3SH 67,68
1988 CN 16 2006 HC18O+ 44,46 2016 CF+ 69
1988 C2H 16 2006 HC17O+ 46 2017 13CH+ 70
1988 HNC 16 2006 H15NC 46,75 2017 SH+ 70
1988 HC3N 16,17 2006 HS 46 2017 34SH+ 70
1989 HNCO 18,19 2006 47 2018 CH3OCH3 71
1989 C34S 20 2006 C4H2 48 2018 CH3OCHO 71
1991 C18O 21 2006 C6H2 48 2019 HCl 72
1991 C17O 21 2006 C6H6 48 2019 HCl 72
1991 SO 22,23 2008 H3O+ 49 2020 O2 † 73
1991 N2H+ 24 2009 C33S 50 2020 l-C3H+ 68
1991 SiO 24 2009 13CH3OH 51,52,75 2020 C3N 68
1991 H13CO+ 24 2010 HF 53 2020 CH2CHCN 68
1991 HN13C 24 2010 H2O+ 53,54 2020 H2CN 68
1991 H13CN 24 2010 13C18O 55,56 2020 HCOOH 68,75
1991 CH3CCH 25 2010 C60 † 57 2020 ND 74
1991 CH3CN 25 2011 H13CCCN 58 2020 NH2D 74
1993 13CS 26 2011 HC13CCN 58 2020 HDO 74
1995 OCS 27 2011 HCC13CN 58 2021 HCO 75
1995 HCO 28 2011 HO 58 2021 C2H5OH 75
1996 DCO+ 29 2011 29SiO 58 2021 13CCH 75
1996 DCN 29 2011 CH2CO 58,45 2021 C13CH 75
1998 LiH † 30,31 2011 SO+ 45 2021 HOCN 75
1999 HC15N 32 2011 l-C3H 45 2021 CHCCH 75
1999 H2S 33 2011 l-C3H2 45 2021 CH3C13CH 75
1999 H2CS 33,34 2011 CH2CN 45 2021 13CH3CCH 75
1999 C2H2 35 2011 C4H 45 2021 HC3HO 75
2000 CO+ 36 2011 CH3NH2 45 2021 Si17O † 75
2001 HD 37 2011 CH3CHO 45

Notes. Year of first detection of each indiviudal molecular species, were first detections of isotopologues are also included. When first detection was tentative, confirmation is also included. (†) Species where only tentative detection have been reported.

References. (1) Weliachew (1971); (2) Gardner & Whiteoak (1974); (3) Rickard et al. (1975); (4) Solomon & de Zafra (1975); (5) Churchwell et al. (1977); (6) Rickard et al. (1977); (7) Thompson et al. (1978); (8) Martin & Ho (1979); (9) Stark & Wolff (1979); (10) Whiteoak et al. (1980); (11) Henkel & Bally (1985); (12) Seaquist & Bell (1986); (13) Magain & Gillet (1987); (14) Falgarone et al. (2017); (15) Henkel et al. (1987); (16) Henkel et al. (1988); (17) Mauersberger et al. (1990); (18) Nguyen-Q-Rieu et al. (1989); (19) Nguyen-Q-Rieu et al. (1991); (20) Mauersberger & Henkel (1989); (21) Sage et al. (1991); (22) Johansson (1991); (23) Petuchowski & Bennett (1992); (24) Mauersberger & Henkel (1991); (25) Mauersberger et al. (1991); (26) Henkel et al. (1993); (27) Mauersberger et al. (1995); (28) Sage & Ziurys (1995); (29) Chin et al. (1996); (30) Combes & Wiklind (1998); (31) Friedel et al. (2011); (32) Chin et al. (1999); (33) Heikkilä et al. (1999); (34) Martín et al. (2005); (35) van Loon et al. (1999); (36) Fuente et al. (2000); (37) Varshalovich et al. (2001); (38) Martín et al. (2003); (39) Usero et al. (2004); (40) González-Alfonso et al. (2004); (41) González-Alfonso et al. (2004); (42) van der Werf et al. (2010); (43) Martín et al. (2006); (44) Martín et al. (2006); (45) Muller et al. (2011); (46) Muller et al. (2006); (47) Geballe et al. (2006); (48) Bernard-Salas et al. (2006); (49) van der Tak et al. (2008); (50) Wang et al. (2009); (51) Martín et al. (2009a); (52) Muller et al. (2021); (53) van der Werf et al. (2010); (54) Weiß et al. (2010); (55) Martín et al. (2010); (56) Martín et al. (2019b); (57) García-Hernández et al. (2010); (58) Martín et al. (2011); (59) Welty et al. (2013); (60) Muller et al. (2013); (61) Muller et al. (2014a); (62) Muller et al. (2014b); (63) Takano et al. (2014); (64) Müller et al. (2015); (65) Aladro et al. (2015); (66) Costagliola et al. (2015); (67) Meier et al. (2015); (68) Tercero et al. (2020); (69) Muller et al. (2016); (70) Muller et al. (2017); (71) Sewiło et al. (2018); (72) Wallström et al. (2019); (73) Wang et al. (2020); (74) Muller et al. (2020); (75) This work.

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