1,6-Dihydro-3-methyl-6-(phenylmethyl)-7H-pyrazolo(4,3-d)pyrimidin-7-one 7H-Pyrazolo(4,3-d)pyrimidin-7-one, 1,6-dihydro-3-methyl-6-(phenylmethyl)- 80030-90-6 BRN 4488269