83763-62-6 4-(benzoylamino)-6-[[5-[[[4-fluoro-6-[(3-sulphophenyl)amino]-1,3,5-triazin-2-yl]amino]methyl]-1-sulpho-2-naphthyl]azo]-5-hydroxynaphthalene-1,7-disulphonic acid, sodium salt
83763-85-3 7-[[[[6-[(4-ethoxy-3-sulphophenyl)azo]-5-hydroxy-7-sulpho-2-naphthyl]amino]carbonyl]amino]-4-hydroxy-3-[(6-sulpho-2-naphthyl)azo]naphthalene-2-sulphonic acid, sodium salt