Synonyms: Cuprate(6-), (mu-((2,2'-((1-oxido-1,2-diazenediyl)bis((2-sulfo-4,1-phenylene)-2,1-ethenediyl(3-sulfo-4,1-phenylene)-2,1-diazenediyl(1-(hydroxy-kappaO)-3-sulfo-7,2-naphthalenediyl)-2,1-diazenediyl-kappaN1))bis(benzoato-kappaO))(10-)))di-, hydrogen (1:6);Cuprate(6-), (mu-((2,2'-(NNO-azoxybis((2-sulfo-4,1-phenylene)-2,1-ethenediyl(3-sulfo-4,1-phenylene)azo(1-(hydroxy-kappaO)-3-sulfo-7,2-naphthalenediyl)azo-kappaN1))bis(benzoato-kappaO))(10-)))di-, hexahydrogen;Hexahydrogen (mu-((2,2'-(NNO-azoxybis((2-sulpho-p-phenylene)vinylene(3-sulpho-p-phenylene)azo(1-hydroxy-3-sulphonaphthalene-2,7-diyl)azo))bis(benzoato))(10-)))dicuprate(6-)