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
83763-60-4 4-[[5-chloro-6-(dichloromethyl)-2-fluoro-4-pyrimidinyl]amino]-5-hydroxy-6-[(1-sulpho-2-naphthyl)azo]naphthalene-1,7-disulphonic acid, sodium salt