64567-64-2 Copper, (tetrahydrogen 3,3'-((3,3'-dihydroxy-4,4'-biphenylylene)bis(azo))bis(5-amino-4-hydroxy-2,7-naphthalenedisulfonato)(4-))di-, compd. with 2,2'-iminodiethanol (1:4) 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-)))tetrakis(2,2'-(imino-kappaN)bis(ethanol))di-, tetrahydrogen EINECS 264-946-8 Tetrahydrogen ((3,3'-dihydroxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(5-amino-4-hydroxynaphthalene-2,7-disulphonato)(8-)tetrakis(2,2'-iminodiethanol-N)dicuprate(4-)