1H-Pyrazolo(3,4-d)pyrimidin-4-amine 1H-Pyrazolo(3,4-d)pyrimidine, 4-amino- 2380-63-4 4 APP 4-26-00-03541 (Beilstein Handbook Reference) 4-Aminopyrazole(3,4-d)pyrimidine 4-Aminopyrazolo(3,4-d)pyrimidine 4-Aminopyrazolopyrimidine 4-App AI3-52467 BRN 0005824 EINECS 219-174-6 NSC 1393 Pyrazoloadenine