英文名称:Cuprate(4-), [Μ-[[6,6'-[(3,3'-Dihydroxy[ 1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[4-Amino -5-Hydroxy-1,3-Naphthalenedisulfonato]](8-)]]Di-, Tetrasodium; Direct Blue 76 (Technical Grade); 4-Amino-6-[[4-[4-[(8-Amino-1-Oxido-5,7-Disulfonatonaphthalen-2-Yl)Diazenyl]-3-Oxidophenyl]-2-Oxidophenyl]Diazenyl]-5-Oxidonaphthalene-1,3-Disulfonate; Direct Blue 76 (C.I. 24411); Dicopper,Tetrasodium,4-Amino-6-[[4-[4-[(8-Amino-1-Oxido-5,7-Disulfonatonaphthalen-2-Yl)Diazenyl]-3-Oxidophenyl]-2-Oxidophenyl]Diazenyl]-5-Oxidonaphthalene-1,3-Disulfonate; tetrasodium [mu-[[6,6'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4-amino-5-hydroxynaphthalene-1,3-disulphonato]](8-)]]dicuprate(4-); Tetrasodium [Mu-[[6,6'-[(3,3'-Dihydroxy[1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[4-Amino-5-Hydroxynaphthalene-1,3-Disulphonato]](8-)]]Dicuprate(4-); Cuprate(4-), [Μ-[[6,6'-[[3,3'-Di(Hydroxy-Κo)[1,1'-Biphenyl]-4,4'-Diyl]Bis(2,1-Diazenediyl-Κn1)]Bis[4-Amino-5-(Hydroxy-Κo)-1,3-Naphthalenedisulfonato]](8-)]]Di-, Sodium (1:4); C.I. Direct Blue 76, Tetrasodium Salt