Synonyms: Cuprate(6-), (mu-((2,2'-((1,4-dioxo-2-butene-1,4-diyl)bis(imino(2-sulfo-4,1-phenylene)-2,1-ethenediyl(3-sulfo-4,1-phenylene)(4,5-dihydro-3-methyl-5-(oxo-kappaO)-1H-pyrazole-4,1-diyl)-2,1-diazenediyl-kappaN1))bis(5-sulfobenzoato-kappaO))(10-)))di-, sodium (1:6);Cuprate(6-), (mu-((2,2'-((1,4-dioxo-2-butene-1,4-diyl)bis(imino(2-sulfo-4,1-phenylene)-2,1-ethenediyl(3-sulfo-4,1-phenylene)(4,5-dihydro-3-methyl-5-(oxo-kappaO)-1H-pyrazole-4,1-diyl)azo-kappaN1))bis(5-sulfobenzoato-kappaO))(10-)))di-, hexasodium;Cuprate(6-), (mu-((2,2'-((1,4-dioxo-2-butene-1,4-diyl)bis(imino(2-sulfo-4,1-phenylene)-2,1-ethenediyl(3-sulfo-4,1-phenylene)(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)azo))bis(5-sulfobenzoato))(10-)))di-, hexasodium