Fig. B.1
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Channel maps of c-C3H2 (218 GHz, top row), c-C3H2 (244 GHz, middle row) and SO stacked lines (bottom row), with the white contours showing the 3σ levels and the pink contours which indicate the extent of the bright ring in the band 7 continuum emission (Isella et al. 2019). The white dots correspond to the position of the two protoplanets (Wang et al. 2021).
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