83399-76-2 6-amino-5-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)methylamino]methyl]-2-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid, sodium salt
83399-77-3 4-(acetylamino)-6-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)methylamino]methyl]-2-sulphophenyl]azo]-5-hydroxynaphthalene-1,7-disulphonic acid, sodium salt