7,3',4'-三-O-甲基毛地黄黄酮

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

1-(3,4-dimethoxyphenyl)prop-2-yn-1-ol