Synonyms: Cuprate(3-), (3-(2-(3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-(hydroxy-kappaO)-5-sulfophenyl)diazenyl-kappaN1)-4-(hydroxy-kappaO)-2,7-naphthalenedisulfonato(5-))-, sodium (1:3);(3-((3-((5-Chloro-2,4-difluoro-4-pyrimidinyl)amino)-2-hydroxy-5-sulfophenyl)azo)-4-hydroxy-2,7-naphthalenedisulfonato-O2,O4)copper, trisodium salt;Cuprate(3-), (3-((3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-(hydroxy-kappaO)-5-sulfophenyl)azo-kappaN1)-4-(hydroxy-kappaO)-2,7-naphthalenedisulfonato(5-))-, trisodium;Trisodium (3-((3-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-hydroxy-5-sulphophenyl)azo)-4-hydroxynaphthalene-2,7-disulphonato(5-))cuprate(3-);copper(2+) sodium 3-[(E)-{3-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-2-oxido-5-sulfonatophenyl}diazenyl]-4-oxidonaphthalene-2,7-disulfonate (1:3:1)