Fig. 5
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Relative abundance distributions of N(OCS)/N(CH3OH) for the gas-phase observations of massive sources analyzed in this work (blue) compared to ice observations toward 20 MYSOs (Boogert et al. 2022, yellow). Both histograms are normalized to the weighted gas-phase median value derived from the ALMAGAL dataset for 26 high-mass protostars.
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