(mu-(3-((5-((2,4-Dihydroxy-5-((2-hydroxy-3-nitro-5-sulphophenyl)azo)phenyl)methyl)-2,4-dihydroxyphenyl)azo)-2-hydroxy-5-nitrobenzenesulphonato(6-)))diiron 3,3'-(Methylenebis((4,6-dihydroxy-3,1-phenylene)azo))((4-hydroxy-5-nitrobenzenesulfonic acid)(2'-hydroxy-5'-nitrobenzenesulfonic acid)-, complex with Fe3+ (1:2) 85392-59-2 EINECS 286-920-5 Iron, (mu-(2-(hydroxy-kappaO)-3-((5-((2-hydroxy-4-(hydroxy-kappaO)-5-((2-(hydroxy-kappaO)-3-nitro-5-sulfophenyl)azo-kappaN1)phenyl)methyl)-2-(hydroxy-kappaO)-4-hydroxyphenyl)azo-kappaN1)-5-nitrobenzenesulfonato(6-)))di- Iron, (mu-(3-((5-((2,4-dihydroxy-5-((2-hydroxy-3-nitro-5-sulfophenyl)azo)phenyl)methyl)-2,4-dihydroxyphenyl)azo)-2-hydroxy-5-nitrobenzenesulfonato(6-)))di-