3-[(5-Chloro-2,6-difluoro-4-pyrimidinyl)amino]-5-[[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol]-4-yl]azo]-4-methylbenzenesulfonic acid disodium salt
3-[(5-Chloro-2,6-difluoro-4-pyrimidinyl)amino]-5-[[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1H-pyrazol]-4-yl]azo]-4-methylbenzenesulfonic acid disodium salt