83399-75-1 4-(benzoylamino)-6-[[5-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)methylamino]methyl]-2-sulphophenyl]azo]-5-hydroxynaphthalene-1,7-disulphonic acid, sodium salt
83399-74-0 6-amino-5-[[4-[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]-2-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid, sodium salt