68140-37-4 74063-40-4 Cuprate(3-), (mu-(4-((3,3'-di(hydroxy-kappaO)-4'-((1-(hydroxy-kappaO)-6-(phenylamino)-3-sulfo-2-naphthalenyl)azo-kappaN1)(1,1'-biphenyl)-4-yl)azo-kappaN1)-3-(hydroxy-kappaO)-2,7-naphthalenedisulfonato(7-)))di-, trisodium Cuprate(3-), (mu-(4-((3,3'-dihydroxy-4'-((1-hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-3-hydroxy-2,7-naphthalenedisulfonato(7-)))di-, trisodium