4-chloro-1,3-dimethylpyrazolo[3,4-d]pyrimidine

1,3-二甲基-1,5-二氢-4H-吡唑并-[3,4-d]嘧啶-4-酮

1,3-dimethyl-4-phenylpyrazolo(3,4-d)pyrimidine

1,3-dimethyl-4-(pentyloxy)-1H-pyrazolo(3,4-d)pyrimidine

1,3-二甲基-1H-吡唑并[3,4-d]嘧啶