4-Chloro-9-oxo-5-aza-9H-xanthene-2-carboxylic acid
CAS No. 53944-63-1
4-Chloro-9-oxo-5-aza-9H-xanthene-2-carboxylic acid;9-Chloro-5-oxo-5H-[1]benzopyrano[2,3-b]pyridine-7-carboxylic acid