1-((2'-Chloro-4'-nitrophenyl)azo)-4-N-ethyl-N-(2''-phenoxyethyl)aminobenzene 31030-27-0 4-((2-Chloro-4-nitrophenyl)azo)-N-ethyl-N-(2-phenoxyethyl)aniline Benzenamine, 4-((2-chloro-4-nitrophenyl)azo)-N-ethyl-N-(2-phenoxyethyl)- EINECS 250-440-4