109322-10-3 2-Chloro-6H-indolo(2,3-b)quinoxaline-6-acetic acid (1-(4-chlorophenyl)ethylidene)hydrazide 6H-Indolo(2,3-b)quinoxaline-6-acetic acid, 2-chloro-, (1-(4-chlorophenyl)ethylidene)hydrazide BRN 5661953