Cobaltate(7-), bis(4-(hydroxy-kappaO)-3-(2-(2-(hydroxy-kappaO)-5-nitrophenyl)diazenyl-kappaN1)-7-((3-phosphonophenyl)amino)-2-naphthalenesulfonato(5-))-, sodium hydrogen (1:2:5);4-Hydroxy-3-((2-hydroxy-5-nitrophenyl)azo)-7-((3-phosphonophenyl)amino)-2-naphthalenesulfonic acid, sodium salt, cobalt complex (2:1);Cobaltate(7-), bis(4-(hydroxy-kappaO)-3-((2-(hydroxy-kappaO)-5-nitrophenyl)azo-kappaN1)-7-((3-phosphonophenyl)amino)-2-naphthalenesulfonato(5-))-, disodium pentahydrogen;Pentahydrogen disodium bis(4-hydroxy-3-((2-hydroxy-5-nitrophenyl)azo)-7-((3-phosphonophenyl)amino)naphthalene-2-sulphonato(5-))cobaltate(7-);cobalt(3+) hydrogen sodium 3-[(E)-(5-nitro-2-oxidophenyl)diazenyl]-4-oxido-7-[(3-phosphonatophenyl)amino]naphthalene-2-sulfonate (1:5:2:2)
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