4-氨基-1-苯基吡唑[3,4-D]嘧啶

1-phenylpyrazolo[3,4-d]pyrimidine-4-carbonitrile

1,1'-diphenyl-1H,1'H-[4,5']bi[pyrazolo[3,4-d]pyrimidinyl]-4'-one

(3,4-dimethoxyphenyl)(1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)methanone

(1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)(o-tolyl)methanone