83763-84-2 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulpho-2-naphthyl]amino]carbonyl]amino]-3-[(6-sulpho-2-naphthyl)azo]naphthalene-2-sulphonic acid, sodium salt
83763-61-5 2-[[8-[[4-[(3-chlorophenyl)amino]-6-fluoro-1,3,5-triazin-2-yl]amino]-1-hydroxy-3,6-disulpho-2-naphthyl]azo]naphthalene-1,5-disulphonic acid, sodium salt