Synonyms: 10114-86-0;AC1L339J;EINECS 233-316-4;3,3'-(Ureylenebis((3-methoxy-p-phenylene)azo))dibenzenesulfonic acid, disodium salt;Disodium 3,3'-(carbonylbis(imino(3-methoxy-4,1-phenylene)azo))bis(benzenesulphonate);3,3'-(Carbonylbis(imino(3-methoxy-4,1-phenylene)azo))bis(benzenesulfonic acid), disodium salt;79817-76-8;Benzenesulfonic acid, 3,3'-(carbonylbis(imino(3-methoxy-4,1-phenylene)-2,1-diazenediyl))bis-, sodium salt (1:2);Benzenesulfonic acid, 3,3'-(carbonylbis(imino(3-methoxy-4,1-phenylene)azo))bis-, disodium salt;Benzenesulfonic acid, 3,3'-[carbonylbis[imino(3- methoxy-4,1-phenylene)azo]]bis-, disodium salt;disodium 3-[[3-methoxy-4-[[2-methoxy-4-[(3-sulfonatophenyl)diazenyl]phenyl]carbamoylamino]phenyl]diazenyl]benzenesulfonate