Synonyms: Cuprate(2-), (3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-5-(2-(1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-(oxo-kappaO)-1H-pyrazol-4-yl)diazenyl-kappaN1)-4-(hydroxy-kappaO)benzenesulfonato(4-))-, sodium (1:2);Cuprate(2-), (3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-5-((1-(2-chloro-5-sulfophenyl)-4,5-dihydro-3-methyl-5-(oxo-kappaO)-1H-pyrazol-4-yl)azo-kappaN1)-4-(hydroxy-kappaO)benzenesulfonato(4-))-, disodium;Disodium (3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-5-((1-(2-chloro-5-sulphophenyl)-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-4-yl)azo)-4-hydroxybenzenesulphonato(4-))cuprate(2-);copper(2+) sodium 3-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-5-{(E)-[1-(2-chloro-5-sulfonatophenyl)-3-methyl-5-oxido-1H-pyrazol-4-yl]diazenyl}-4-oxidobenzenesulfonate (1:2:1)