1,5-Dihydro-5-amino-6-((4-fluorophenyl)amino)-4H-pyrazolo(3,4-d)pyrimidin-4-one 141300-23-4 4H-Pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-5-amino-6-((4-fluorophenyl)amino)- BRN 4877319