CI Direct Blue 218, Cuprate(4-),(mu-((3,3'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis-(5-amino-4-hydroxy-2,7-naphthalenedisulfonato))(8-)))di-,tetrasodium salt, Amanil Supra Blue 9GL, Pontamine Fast Blue 7GLN, Cuprate(4-), (mu-((3,3'-((3,3'-di(hydroxy-kappaO)(1,1'-biphenyl)-4,4'-diyl)bis(azo-kappaN1))bis(5-amino-4-(hydroxy-kappaO)-2,7-naphthalenedisulfonato))(8-)))di-, tetrasodium, Fastusol Blue 9GLP, EINECS 249-008-8, (3,3'-((3,3'-Dihydroxy-1,1'-biphenyl-4,4'-diyl)bis(azo)bis(5-amino-2,7-naphthalenedisulfonato-(O4,O3)))dicopper,tetrasodium salt, Copper,(mu-((tetrahydrogen 3,3'-((3,3'-dihydroxy-4,4'-biphenylene)bis(azo))bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonato))(4-)))di-,tetrasodium salt, Pontamine Bond Blue B, Solantine Blue 10GL, Cuprate(4-), (mu-((3,3'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonato))(8-)))di-, tetrasodium, Cuprate(4-), (mu-((3,3'-((3,3'-di(hydroxy-kappaO)(1,1'-biphenyl)-4,4'-diyl)bis(2,1-diazenediyl-kappaN1))bis(5-amino-4-(hydroxy-kappaO)-2,7-naphthalenedisulfonato))(8-)))di-, sodium (1:4), HSDB 4223, NCI C60877, Cuprate(4-) (mu-((3,3'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonato))(8-)))di-,tetrasodium, 2,7-Naphthalenedisulfonic acid,3,3'((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo)bis(5-amino-4-hydroxy-,sodium salt,copper complex, Tetrasodium (mu-((3,3'-((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxynaphthalene-2,7-disulphonato))(8-)))dicuprate(4-), C.I. Direct Blue 218, CCRIS 6142, C.I. 24401