34771-63-6 Cuprate(3-), (mu-(4-((3,3'-dihydroxy-4'-((2-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-3-hydroxy-2,7-naphthalenedisulfonato(7-)))di-, trihydrogen EINECS 252-205-1 Trihydrogen (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-)