Synonyms: Cuprate(3-), (7-(2-(4-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-(hydroxy-kappaO)phenyl)diazenyl-kappaN1)-8-(hydroxy-kappaO)-1,3,6-naphthalenetrisulfonato(5-))-, sodium (1:3);Cuprate(3-), (7-((4-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-(hydroxy-kappaO)phenyl)azo-kappaN1)-8-(hydroxy-kappaO)-1,3,6-naphthalenetrisulfonato(5-))-, trisodium;Cuprate(3-), (7-((4-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-hydroxyphenyl)azo)-8-hydroxy-1,3,6-naphthalenetrisulfonato(5-))-, trisodium;Trisodium (7-((4-((5-chloro-2,6-difluoro-4-pyrimidinyl)amino)-2-hydroxyphenyl)azo)-8-hydroxynaphthalene-1,3,6-trisulphonato(5-))cuprate(3-)