1-((2',6'-Dichloro-4'-nitrophenyl)azo)-4-(4''-nitrophenylamino)benzene 4-((2,6-Dichloro-4-nitrophenyl)azo)-N-(4-nitrophenyl)aniline 72927-94-7 Benzenamine, 4-((2,6-dichloro-4-nitrophenyl)azo)-N-(4-nitrophenyl)- EINECS 277-036-0