(Trihydrogen-2-hydroxy-1-((((6-amino-1-hydroxy-3-sulfo-2-naphthyl)azo)-3,3'-dihydroxy-4,4'-biphenylene)azo)-3,6-naphthalenedisulfonato-)dicopper trisodium salt;Copper, (trihydrogen 7-amino-3-((3,3'-dihydroxy-4'-((2-hydroxy-3,6-disulfonato(4-)-1-naphthyl)azo)-4-biphenyl)azo)-4-hydroxy-2-naphthalenesulfonato(2-))di-, trisodium salt;Cuprate(3-), (mu-(4-((4'-((6-amino-1-(hydroxy-kappaO)-3-sulfo-2-naphthalenyl)azo-kappaN1)-3,3'-di(hydroxy-kappaO)(1,1'-biphenyl)-4-yl)azo-kappaN1)-3-(hydroxy-kappaO)-2,7-naphthalenedisulfonato(7-)))di-, trisodium;Cuprate(3-), (mu-(4-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)-3,3'-dihydroxy(1,1'-biphenyl)-4-yl)azo)-3-hydroxy-2,7-naphthalenedisulfonato(7-)))di-, trisodium;Cuprate(3-), (mu-(4-(2-(4'-(2-(6-amino-1-(hydroxy-kappaO)-3-sulfo-2-naphthalenyl)diazenyl-kappaN1)-3,3'-di(hydroxy-kappaO)(1,1'-biphenyl)-4-yl)diazenyl-kappaN1)-3-(hydroxy-kappaO)-2,7-naphthalenedisulfonato(7-)))di-, sodium (1:3);Trisodium (mu-(4-((4'-((6-amino-1-hydroxy-3-sulpho-2-naphthyl)azo)-3,3'-dihydroxy(1,1'-biphenyl)-4-yl)azo)-3-hydroxynaphthalene-2,7-disulphonato(7-)))dicuprate(3-);copper(2+) sodium 4-[(E)-{4'-[(E)-(6-amino-1-oxido-3-sulfonatonaphthalen-2-yl)diazenyl]-3,3'-dioxidobiphenyl-4-yl}diazenyl]-3-oxidonaphthalene-2,7-disulfonate (2:3:1)