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potassium [3-[[[5-[(2-chloro-5-sulphophenyl)azo]-2-hydroxyphenyl]methylene]amino]-2-hydroxy-5-nitrobenzene-1-sulphonato(4-)]chromate(1-) Structure

potassium [3-[[[5-[(2-chloro-5-sulphophenyl)azo]-2-hydroxyphenyl]methylene]amino]-2-hydroxy-5-nitrobenzene-1-sulphonato(4-)]chromate(1-)