Synonyms: 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-, hydrogen, compd. with morpholine (1:4:4);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-, tetrahydrogen, compd. with morpholine (1:4);Tetrahydrogen (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-), compound with morpholine (1:4)