2-Naphthalenecarboxamide, 3-hydroxy-4-((2-methoxy-5-nitrophenyl)azo)-N-(2-methoxyphenyl)- 3-Hydroxy-4-((2-methoxy-5-nitrophenyl)azo)-N-(2-methoxyphenyl)naphthalene-2-carboxamide 67990-07-2 EINECS 268-030-9