1-(4-((2-Methyl-4,6-dinitro-1H-benzimidazol-5-yl)amino)phenyl)ethanone 72766-26-8 BRN 0943253 Ethanone, 1-(4-((2-methyl-4,6-dinitro-1H-benzimidazol-5-yl)amino)phenyl)-