Table 9: Main-beam temperature upper limits at 3$\sigma $ level for the deuterated methanol transitions observed towards L1448N, L1448mm, and L1157mm.
    L1448N     L1448mm     L1157mm  
Freq. $\int{{T}_{\rm mb}{\rm d}v}$ $\int{{T}_{\rm mb}{\rm d}v}$ $\int{{T}_{\rm mb}{\rm d}v}$
GHz K km s-1 K km s-1 K km s-1

CH2DOH

89.251		 $\le$0.015 $\le$0.03 $\le$0.02
89.275 $\le$0.015 $\le$0.03 $\le$0.02
110.105 $\le$0.03 $\le$0.05 $\le$0.04
207.781 $\le$0.08 $\le$0.08 $\le$0.05
223.071 $\le$0.05 $\le$0.08 $\le$0.05
223.107 $\le$0.05 $\le$0.08 $\le$0.05
223.128 $\le$0.05 $\le$0.08 $\le$0.05
223.131 $\le$0.05 $\le$0.08 $\le$0.05
223.131 $\le$0.05 $\le$0.08 $\le$0.05
223.154 $\le$0.05 $\le$0.08 $\le$0.05
223.154 $\le$0.05 $\le$0.08 $\le$0.05
223.315 $\le$0.04 $\le$0.06 $\le$0.05
223.422 $\le$0.04 $\le$0.06 $\le$0.04

CH3OD

110.263		 $\le$0.03 $\le$0.05 $\le$0.03
110.476 $\le$0.02 $\le$0.04 $\le$0.03
223.309 $\le$0.04 $\le$0.06 $\le$0.05

CHD2OH

207.771		 $\le$0.08 $\le$0.08 $\le$0.04
207.827 $\le$0.08 $\le$0.08 $\le$0.04
207.864 $\le$0.08 $\le$0.08 $\le$0.04
207.868 $\le$0.08 $\le$0.08 $\le$0.04
207.869 $\le$0.08 $\le$0.08 $\le$0.04


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