Chromate(3-), bis(3-(hydroxy-kappaO)-4-(2-(2-(hydroxy-kappaO)-1-naphthalenyl)diazenyl-kappaN1)-1-naphthalenesulfonato(3-))-, sodium (1:3);3-Hydroxy-4-((2-hydroxynaphthalen-1-yl)azo)-1-naphthalenesulfonic acid, Cr complex, trisodium salt;Chromate(3-), bis(3-(hydroxy-kappaO)-4-((2-(hydroxy-kappaO)-1-naphthalenyl)azo-kappaN1)-1-naphthalenesulfonato(3-))-, trisodium;Trisodium bis(3-hydroxy-4-((2-hydroxy-1-naphthyl)azo)naphthalene-1-sulphonato(3-))chromate(3-)
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