109322-11-4 2-Chloro-6H-indolo(2,3-b)quinoxaline-6-acetic acid 2-((phenylamino)thioxomethyl) hydrazide 6H-Indolo(2,3-b)quinoxaline-6-acetic acid, 2-chloro-, 2-((phenylamino)thioxomethyl)hydrazide BRN 5663927