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4-[4-[[4-[bis(2-cyanoethyl)amino]phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid Structure

4-[4-[[4-[bis(2-cyanoethyl)amino]phenyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonic acid