Synonyms: Cuprate(5-), (2-(2-(4-chloro-6-((2-methyl-5-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-6-(2-(4-((2,5-disulfophenyl)diazenyl)-2-(hydroxy-kappaO)-5-methylphenyl)diazenyl-kappaN1)-5-(hydroxy-kappaO)-1,7-naphthalenedisulfonato(7-))-, sodium (1:5);6-((4-((2,5-Disulfophenyl)azo)-6-hydroxy-3-methyl-phenyl)azo)-2-((4-chloro-6-((2-methyl-5-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino-5-hydroxy-1,7-naphthalenedisulfonic acid, copper complex (1:1);Cuprate(5-), (2-((4-chloro-6-((2-methyl-5-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-6-((4-((2,5-disulfophenyl)azo)-2-(hydroxy-kappaO)-5-methylphenyl)azo-kappaN1)-5-(hydroxy-kappaO)-1,7-naphthalenedisulfonato(7-))-, pentasodium;Cuprate(5-), (2-((4-chloro-6-((2-methyl-5-sulfophenyl)amino)-1,3,5-triazin-2-yl)amino)-6-((4-((2,5-disulfophenyl)azo)-2-hydroxy-5-methylphenyl)azo)-5-hydroxy-1,7-naphthalenedisulfonato(7-))-, pentasodium;copper(2+) sodium 2-({4-chloro-6-[(2-methyl-5-sulfonatophenyl)amino]-1,3,5-triazin-2-yl}amino)-6-[(E)-{4-[(E)-(2,5-disulfonatophenyl)diazenyl]-5-methyl-2-oxidophenyl}diazenyl]-5-oxidonaphthalene-1,7-disulfonate (1:5:1)