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diethyl[4-[[4-(diethylamino)phenyl][5-[(2,4-dinitrophenyl)amino]-2,4-disulphophenyl]methylene]-2,5-cyclohexadien-1-ylidene]ammonium hydroxide  Structure

diethyl[4-[[4-(diethylamino)phenyl][5-[(2,4-dinitrophenyl)amino]-2,4-disulphophenyl]methylene]-2,5-cyclohexadien-1-ylidene]ammonium hydroxide