Chromate(5-),bis[4-hydroxy-6-[(2-hydroxy-5-methylphenyl)azo]-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2-naphthalenesulfonato(4-)]-,pentahydrogen; 2-Naphthalenesulfonic acid,4-hydroxy-6-[(2-hydroxy-5-methylphenyl)azo]-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-,chromium complex
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