Synonyms: Cuprate(4-), (7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-3-(2-(2-(hydroxy-kappaO)-8-hydroxy-4,6-disulfo-1-naphthalenyl)diazenyl-kappaN1)-4-(hydroxy-kappaO)-1,5-naphthalenedisulfonato(6-))-, sodium (1:4);3-((5-Chloro-2,4-difluoro-6-pyrimidyl)amino)-7-((4,6-disulfo-2,8-dihydroxy-1-naphthyl)azo)-8-hydroxy-1,5-naphthalenedisulfonic acid, copper complex (1:1), tetrasodium salt;Cuprate(4-), (7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-3-((2,8-dihydroxy-4,6-disulfo-1-naphthalenyl)azo)-4-hydroxy-1,5-naphthalenedisulfonato(6-))-, tetrasodium;Cuprate(4-), (7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-3-((2-(hydroxy-kappaO)-8-hydroxy-4,6-disulfo-1-naphthalenyl)azo-kappaN1)-4-(hydroxy-kappaO)-1,5-naphthalenedisulfonato(6-))-, tetrasodium;Tetrasodium (7-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-3-((2,8-dihydroxy-4,6-disulpho-1-naphthyl)azo)-4-hydroxynaphthalene-1,5-disulphonato(6-))cuprate(4-)