1H-Pyrazolo[3,4-d]pyrimidin-6-amine, 4-(1-methylethoxy)-

3-bromo-4-propan-2-yloxy-2H-pyrazolo[3,4-d]pyrimidin-6-amine

6-氨基-1,5-二氢-4H-吡唑并[3,4-d]嘧啶-4-酮

6-Amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,5-dihydro-4H-pyr azolo[3,4-d]pyrimidin-4-one

3-溴-4-氯-1H-吡唑并[3,4-d]嘧啶-6-胺