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(2007/10/03)1-benzyl-5-methyl-4,6-dioxo-4,5,6,7-tetrahydropyrazolo<3,4-d>pyrimidine
dimethyl sulfate
1-benzyl-1,7-dihydro-pyrazolo[3,4-d]pyrimidine-4,6-dione
5-amino-1-benzyl-1H-pyrazole-4-carbonitrile
5-amino-1-benzyl-1H-pyrazole-4-carboxylic acid amide