Fig. 6
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Abundance ratio of CH2DOH with respect to CH3OH in HOPS-108 compared to isolated hot corinos where the CH3OH column density was derived using one of its secondary isotopologues (see Sect. 4.2.2). All the sources are Class 0: IRAS 2A, IRAS 4A2 (Taquet et al. 2015, 2019), B1-c, S68N (van Gelder et al. 2020), HH212 (Bianchi et al. 2017), L483 (Jacobsen et al. 2019), IRAS 16293 A (Manigand et al. 2020), IRAS 16293 B (Jørgensen et al. 2016, 2018), and HOPS-108 in OMC-2 FIR 4 (this work).
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