Synonyms: Cuprate(4-),bis(2-aminoethanol-N,O)[m-[7-(benzoylamino)-3-[[3,3'-dihydroxy-4'-[(1-hydroxy-4,8-disulfo-2-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-1,5-naphthalenedisulfonato(8-)]]di-,tetrasodium; Cuprate(4-), bis[2-(amino-kN)ethanol-kO][m-[7-(benzoylamino)-3-[[3,3'-di(hydroxy-kO)-4'-[[1-(hydroxy-kO)-4,8-disulfo-2-naphthalenyl]azo-kN1][1,1'-biphenyl]-4-yl]azo-kN1]-4-(hydroxy-kO)-1,5-naphthalenedisulfonato(8-)]]di-,tetrasodium (9CI); 1,5-Naphthalenedisulfonic acid,7-(benzoylamino)-3-[[3,3'-dihydroxy-4'-[(1-hydroxy-4,8-disulfo-2-naphthalenyl)azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-,copper complex; Ethanol, 2-amino-, copper complex