Notes. A source is “ionized” if the ALMA continuum emission is consistent within a factor of 3 with ionized gas emission. A smaller contribution is listed as “mixed”. A source is chemically “rich” if lines contribute with more than 15% to the total luminosity, and the source has more than 20 lines per GHz. If only one of the two criteria is fulfilled it is listed as “rich ?”. See Sect. 4.3 for details. References for the association with other sources: Qin et al. (2011), Schmiedeke et al. (2016).