Cuprate(4-), (mu-(3-((2,5-di(hydroxy-kappaO)-6-((2-(hydroxy-kappaO)-5-sulfo-3-((2,5,6-trichloro-4-pyrimidinyl)amino)phenyl)azo-kappaN1)-8-sulfo-1-naphthalenyl)azo-kappaN1)-4-(hydroxy-kappaO)-1,7-naphthalenedisulfonato(8-)))di-, tetrasodium;Cuprate(4-), (mu-(3-(2-(2,5-di(hydroxy-kappaO)-6-(2-(2-(hydroxy-kappaO)-5-sulfo-3-((2,5,6-trichloro-4-pyrimidinyl)amino)phenyl)diazenyl-kappaN1)-8-sulfo-1-naphthalenyl)diazenyl-kappaN1)-4-(hydroxy-kappaO)-1,7-naphthalenedisulfonato(8-)))di-, sodium (1:4);Tetrasodium (mu-(3-((2,5-dihydroxy-6-((2-hydroxy-5-sulpho-3-((2,5,6-trichloro-4-pyrimidinyl)amino)phenyl)azo)-8-sulpho-1-naphthyl)azo)-4-hydroxynaphthalene-1,7-disulphonato(8-)))dicuprate(4-);copper(2+) sodium 3-[(E)-{2,5-dioxido-6-[(E)-{2-oxido-5-sulfonato-3-[(2,5,6-trichloropyrimidin-4-yl)amino]phenyl}diazenyl]-8-sulfonatonaphthalen-1-yl}diazenyl]-4-oxidonaphthalene-1,7-disulfonate (2:4:1)