66418-18-6 Cuprate(4-), (mu-(3-((3,3'-di(hydroxy-kappaO)-4'-((2-(hydroxy-kappaO)-3,6-disulfo-1-naphthalenyl)azo-kappaN1)(1,1'-biphenyl)-4-yl)azo-kappaN1)-4-(hydroxy-kappaO)-2,7-naphthalenedisulfonato(8-)))di-, tetrasodium Cuprate(4-), (mu-(3-((3,3'-dihydroxy-4'-((2-hydroxy-3,6-disulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxy-2,7-naphthalenedisulfonato(8-)))di-, tetrasodium EINECS 266-355-0 Tetrasodium (mu-(3-((3,3'-dihydroxy-4'-((2-hydroxy-3,6-disulpho-1-naphthyl)azo)(1,1'-biphenyl)-4-yl)azo)-4-hydroxynaphthalene-2,7-disulphonato(8-)))dicuprate(4-)