72906-61-7 Cuprate(3-), (mu-(4-((3,3'-di(hydroxy-kappaO)-4'-((2-(hydroxy-kappaO)-6-sulfo-1-naphthalenyl)azo-kappaN1)(1,1'-biphenyl)-4-yl)azo-kappaN1)-3-(hydroxy-kappaO)-2,7-naphthalenedisulfonato(7-)))di-, triammonium EINECS 277-007-2 Triammonium (mu-(4-((3,3'-dihydroxy-4'-((2-hydroxy-6-sulpho-1-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)-3-hydroxynaphthalene-2,7-disulphonato(7-)))dicuprate(3-)