Chromate(1-), (5-(2-(5-(aminosulfonyl)-2-(hydroxy-kappaO)phenyl)diazenyl-kappaN1)-6-(hydroxy-kappaO)-2-naphthalenesulfonato(3-))-, sodium (1:1);Chromate(1-), (5-((5-(aminosulfonyl)-2-hydroxyphenyl)azo)-6-hydroxy-2-naphthalenesulfonato(3-))-, sodium;Sodium (6-hydroxy-5-((2-hydroxy-5-sulphamoylphenyl)azo)naphthalene-2-sulphonato(3-))chromate(1-);sodium (5Z)-5-[2-(2-hydroxy-5-sulfamoylphenyl)hydrazinylidene]-6-oxo-5,6-dihydronaphthalene-2-sulfonate chromium (1:1:1)
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