Synonyms: copper(2+) hydrogen 3-oxido-4-[(e)-phenyldiazenyl]naphthalene-2-carboxylate(1:2:2);16521-34-9;AC1L4OY7;AC1Q1T4R;EINECS 240-588-8;AR-1I2626;AR-1I2627;Cuprate(2-), bis(3-hydroxy-4-(phenylazo)-2-naphthalenecarboxylato(2-))-, dihydrogen;copper; hydron; 3-oxido-4-phenyldiazenylnaphthalene-2-carboxylate;Cuprate(2-), bis[3-hydroxy-4-(phenylazo) -2-naphthalenecarboxylato(2-)]-, dihydrogen;Dihydrogen bis(3-hydroxy-4-(phenylazo)naphthalene-2-carboxylato(2-))cuprate(2-);61725-47-1;Cuprate(2-), bis(3-(hydroxy-kappaO)-4-(2-phenyldiazenyl)-2-naphthalenecarboxylato(2-)-kappaO)-, hydrogen (1:2);Cuprate(2-), bis(3-(hydroxy-kappaO)-4-(phenylazo)-2-naphthalenecarboxylato(2-)-kappaO)-, dihydrogen