82640-07-1 Copper, complexes with diazotized 3-amino-4-methoxybenzenesulfonic acid monosodium salt coupled with diazotized 4-nitro-1,3-benzenediamine 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 EINECS 280-007-5