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

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

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

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

4-羟基-1-苯基吡唑并[3,4-D]嘧啶