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Fig. 3


Comparison of the molecular abundances in FIRS 2 and the Orion hot core (see Table 6). All the molecular abundances have been normalized to that of CH3OH. Black horizontal lines indicate the loci of the FIRS 2 values that differ by less than a factor of 5 from those of Orion. Red lines indicate the same but for a factor of 10. Empty circles indicate doubtful values.

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