Synonyms: 2-Naphthalenecarboxamide, N,N'-(2,5-dimethyl-1,4-phenylene)bis(4-(2-(5-chloro-2-methylphenyl)diazenyl)-3-hydroxy-;2-Naphthalenecarboxamide, N,N'-(2,5-dimethyl-1,4-phenylene)bis(4-((5-chloro-2-methylphenyl)azo)-3-hydroxy-;N,N'-(2,5-Dimethyl-1,4-phenylene)bis(4-((5-chloro-2-methylphenyl)azo)-3-hydroxynaphthalene-2-carboxamide);(4Z,4'E)-N,N'-(2,5-dimethylbenzene-1,4-diyl)bis{4-[(5-chloro-2-methylphenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2-carboxamide}