2-Naphthalenecarboxamide, 4-((2,5-dichlorophenyl)azo)-3-hydroxy-N-(2-methoxyphenyl)- 4-((2,5-Dichlorophenyl)azo)-3-hydroxy-N-(2-methoxyphenyl)naphthalene-2-carboxamide 52683-49-5 59890-36-7 6410-38-4 C.I. PIGMENT RED 9 EINECS 229-104-6