12225-04-6 2-Naphthalenecarboxamide, N,N'-1,4-phenylenebis(4-((2,5-dichlorophenyl)azo)-3-hydroxy- 3905-19-9 58543-44-5 EINECS 223-460-6 N,N'-Phenylene-1,4-bis(4-((2,5-dichlorophenyl)azo)-3-hydroxynaphthalene-2-carboxamide) N,N'-p-Phenylenebis(4-((2,5-dichlorophenyl)azo)-3-hydroxy-2-naphthalenecarboxamide)