1,5-Dihydro-5-amino-6-(phenylamino)-4H-pyrazolo(3,4-d)pyrimidin-4-one 141300-17-6 4H-Pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-5-amino-6-(phenylamino)- BRN 4874087