7,7'-(Carbonyldiimino)bis(4-hydroxy-3-((2,8-dihydroxy-3,6-disulfonaphthyl-1)azo)-1,5-naphthalenedisulfonic acid), copper complex, octasodium salt 72869-84-2 Cuprate(8-), (mu-((3,3'-(carbonyldiimino)bis(7-((2,8-dihydroxy-3,6-disulfo-1-naphthalenyl)azo)-8-hydroxy-1,5-naphthalenedisulfonato))(12-)))di-, octasodium Cuprate(8-), (mu-((3,3'-(carbonyldiimino)bis(8-(hydroxy-kappaO)-7-((2-(hydroxy-kappaO)-8-hydroxy-3,6-disulfo-1-naphthalenyl)azo-kappaN1)-1,5-naphthalenedisulfonato))(12-)))di-, octasodium