68015-79-2 Copper, (5-((4-((4-((5-((8-hydroxy-7-((2-hydroxyphenyl)azo)-3,6-disulfo-1-naphthyl)azo)-2,4-dihydroxyphenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-2-hydroxybenzoato(2-))-, tetrasodium salt Cuprate(4-), (5-((4-((4-((2,4-dihydroxy-5-((8-(hydroxy-kappaO)-7-((2-(hydroxy-kappaO)phenyl)azo-kappaN1)-3,6-disulfo-1-naphthalenyl)azo)phenyl)azo)phenyl)amino)-3-sulfophenyl)azo)-2-hydroxybenzoato(6-))-, tetrasodium EINECS 268-147-5 Tetrasodium (5-((4-((4-((2,4-dihydroxy-5-((8-hydroxy-7-((2-hydroxyphenyl)azo)-3,6-disulpho-1-naphthyl)azo)phenyl)azo)phenyl)amino)-3-sulphophenyl)azo)salicylato(6-))cuprate(4-)