(4-((4-Chlorophenyl)azo)-3-hydroxynaphthalene-2-carboxylato-O2,O3)copper 4-((4-Chlorophenyl)azo)-3-hydroxy-2-naphthalenecarboxylic acid, copper complex 67828-28-8 Copper, (4-((4-chlorophenyl)azo)-3-(hydroxy-kappaO)-2-naphthalenecarboxylato(2-)-kappaO)- EINECS 267-250-2