83763-63-7 | 3-[[3-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-4-methoxy-2-sulphophenyl]azo]-4-hydroxynaphthalene-2,7-disulphonic acid, potassium sodium salt | 3-[[3-[[(5-chloro-2,6-difluoro-4-pyrimidinyl)amino]methyl]-4-methoxy-2-sulphophenyl]azo]-4-hydroxynaphthalene-2,7-disulphonic acid, potassium sodium salt |