Fig. 3
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Selected abundance ratios as a function of time in simulations S1 to S3, labeled in the top right panel. Top: ratios of 13C-substituted CN, HCN, and HNC to their 13C+15N-substituted forms. The dashed black line in each panel indicates the assumed elemental 14N/15N ratio (440). Bottom: ratios of 15N-substituted CN, HCN, and HNC to their 13C+15N-substituted forms. The dashed black line in each panel indicates the assumed elemental 12C/13C ratio (68).
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