1,5-Dihydro-5-amino-6-((4-chlorophenyl)amino)-4H-pyrazolo(3,4-d)pyrimidin-4-one 141300-21-2 4H-Pyrazolo(3,4-d)pyrimidin-4-one, 1,5-dihydro-5-amino-6-((4-chlorophenyl)amino)- BRN 4877320