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4-[3-[5-Hydroxy-3-(3-phenylureido)-1-(p-potassiosulfophenyl)-1H-pyrazol-4-yl]-2-propenylidene]-3-(3-phenylureido)-1-(p-potassiosulfophenyl)-2-pyrazolin-5-one Structure

4-[3-[5-Hydroxy-3-(3-phenylureido)-1-(p-potassiosulfophenyl)-1H-pyrazol-4-yl]-2-propenylidene]-3-(3-phenylureido)-1-(p-potassiosulfophenyl)-2-pyrazolin-5-one