83763-78-4 4-[[4-[(2,4-diamino-5-sulphophenyl)azo]-3,3-dimethoxy[1,1-biphenyl]-4-yl]azo]-3-hydroxynaphthalene-2,7-disulphonic acid, sodium salt
83763-59-1 7-[[4-fluoro-6-[[4-(2-hydroxyethoxy)phenyl]amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[(2-sulphophenyl)azo]naphthalene-2-sulphonic acid, sodium salt
83763-56-8 7-[[4-amino-2-[(5-chloro-2-fluoro-6-methyl-4-pyrimidinyl)amino]-5-sulphophenyl]azo]naphthalene-1,3,5-trisulphonic acid, potassium sodium salt