27125-68-4 4-(3,4-DICHLOROANILINO)-3,3',4'-TRICHLOROAZOBEN* 4-(3,4-Dichloroanilino)-3,3',4'-trichloroazobenzene Benzenamine, 2-chloro-N-(3,4-dichlorophenyl)-4-((3,4-dichlorophenyl)azo)-