trisodium [mu-[7-[[4'-[[6-benzamido-1-hydroxy-3-sulpho-2-naphthyl]azo]-3,3'-dihydroxy[1,1'-biphenyl]-4-yl]azo]-8-hydroxynaphthalene-1,6-disulphonato(7-)]]dicuprate(3-)

Cuprate(3-), [μ-[7-[[4'-[[6-(benzoylamino)-1-hydroxy-3-sulfo-2-naphthalenyl]azo]-3,3'-dihydroxy[1,1'-biphenyl]-4-yl]azo]-8-hydroxy-1,6-naphthalenedisulfonato (7-)]]di-, trisodium