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ammonium hydrogen 4-[3-[4-(dimethylamino)phenyl]allylidene]-4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate Structure

ammonium hydrogen 4-[3-[4-(dimethylamino)phenyl]allylidene]-4,5-dihydro-5-oxo-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate