73398-73-9 EINECS 277-454-3 Ethyl 3-((4-nitrophenyl)amino)-3-((2,4,6-trichlorophenyl)hydrazono)propionate Propanoic acid 3-((4-nitrophenyl)imino)-3-((2,4,6-trichlorophenyl)hydrazono)-, ethyl ester Propanoic acid, 3-((4-nitrophenyl)amino)-3-((2,4,6-trichlorophenyl)hydrazono)-, ethyl ester