This article has an erratum: [https://doi.org/10.1051/0004-6361/201528001e]
Comparison of the fractional abundances, n(x)/nH, for Model 1 (G0 = 104 and nH = 104 cm-3), with those obtained from the original version of the Meijerink code (Meijerink & Spaans 2005). Left panel: H, CO, O, O2, and H2O. Right panel: CH3OH, H2CO, HCN, and HCO+.
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