2-Naphthalenecarboxamide, 4-((2,5-dichlorophenyl)azo)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy- 2-Naphthamide, 4-((2,5-dichlorophenyl)azo)-3-hydroxy-N-(2-oxo-5-benzimidazolinyl)- 4-((2,5-Dichlorophenyl)azo)-N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxynaphthalene-2-carboxamide 6992-11-6 96231-52-6 EINECS 230-258-1