2-Naphthalenecarboxamide, 3-hydroxy-4-((4-methyl-2-nitrophenyl)azo)-N-(3-nitrophenyl)- 3-Hydroxy-4-((4-methyl-2-nitrophenyl)azo)-N-(3-nitrophenyl)naphthalene-2-carboxamide 3564-22-5 EINECS 222-643-8