Fig. 2
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Comparison of molecular abundances with respect to HC3N for: carbon-chain species (top), COMs, H2CCO, and HNCO (middle), and S-bearing species (bottom). Errors indicate the standard deviation. In the caption, "high" and "low" indicate the high and low temperatures components. The dashed red lines mark the abundance ratios for the low-mass WCCC source L1527 (Yoshida et al. 2019).
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