109322-05-6 2-Chloro-6H-indolo(2,3-b)quinoxaline-6-acetic acid (1-phenylethylidene)hydrazide 6H-Indolo(2,3-b)quinoxaline-6-acetic acid, 2-chloro-, (1-phenylethylidene)hydrazide BRN 5655009