Synonyms: Copper, complexes with diazotized 4-nitro-1,3-benzenediamine coupled with diazotized sodium 3-amino-4-methoxybenzenesulfonate (1:1) and resorcinol, sodium salts;Copper, complexes with diazotized 3-amino-4-methoxybenzenesulfonicacid monosodium salt coupled with diazotized 4-nitro-1,3-benzened iamine and resorcinol, sodium salts;disodium; 3-amino-4-methoxy-benzenesulfonate; copper; 3-hydroxyphenolate; 4-nitrobenzene-1,3-diamine