6-chloro-1-phenyl-2H-pyrazolo[3,4-d]pyrimidin-4-one

1-phenyl-2H-pyrazolo[3,4-d]pyrimidine-4,6-dithione

N-benzyl-6-methyl-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine

N-(furan-2-ylmethyl)-1-phenylpyrazolo[3,4-d]pyrimidin-4-amine

4-(ETHYLAMINO)-6-METHYL-1-PHENYL-1H-PYRAZOLO[3,4-D]PYRIMIDINE