Synonyms: Cuprate(3-), (2-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-5-(hydroxy-kappaO)-6-(2-(2-(hydroxy-kappaO)-5-sulfophenyl)diazenyl-kappaN1)-1,7-naphthalenedisulfonato(5-))-, hydrogen (1:3);Cuprate(3-), (2-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-5-(hydroxy-kappaO)-6-((2-(hydroxy-kappaO)-5-sulfophenyl)azo-kappaN1)-1,7-naphthalenedisulfonato(5-))-, trihydrogen;Trihydrogen (2-((4,6-dichloro-1,3,5-triazin-2-yl)amino)-5-hydroxy-6-((2-hydroxy-5-sulphophenyl)azo)naphthalene-1,7-disulphonato(5-))cuprate(3-);copper(2+) hydrogen 2-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-5-oxido-6-[(E)-(2-oxido-5-sulfonatophenyl)diazenyl]naphthalene-1,7-disulfonate (1:3:1)