83763-71-7 Benzenesulfonic acid,3,3'-[carbonylbis[imino(3-methoxy-4,1-phenylene)azo]]bis-, sodium salt (9CI)
83763-77-3 4-amino-6-[[4-[(2,4-diamino-5-sulphophenyl)azo]-3,3-dimethoxy[1,1-biphenyl]-4-yl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]naphthalene-2,7-disulphonic acid, sodium salt