trisodium bis[6-amino-4-hydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-2-sulphonato(3-)]chromate(3-);trisodium bis[6-amino-4-hydroxy-3-[(2-hydroxy-3,5-dinitrophenyl)azo]naphthalene-2-sulphonato(3-)]chromate(3-)
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