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Fig. D.1


Observed spectra in the 88 GHz band. The intensity scale is in , not corrected for main beam efficiency. The main molecular transitions are labelled regardless of line detection. The C2H 3/2 and 1/2 labels mark the limits of the C2H multiplet at 87 GHz. Transitions of vibrationally excited HC3N are labelled as v71e and v71f. The frequency scale is the observed frequency, not corrected for redshift.

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