(3-Hydroxy-4-(phenylazo)naphthalene-2-carboxylato(2-)-O2,O3)copper 3-Hydroxy-4-((phenyl)azo)-2-naphthalenecarboxylic acid, copper complex 67828-23-3 Copper, (3-(hydroxy-kappaO)-4-(phenylazo)-2-naphthalenecarboxylato(2-)-kappaO)- EINECS 267-245-5