(4-nitrophenyl)-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)methanone

4-(4-bromophenyl)-1-phenylpyrazolo[3,4-d]pyrimidine

4-(4-fluorophenyl)-1-phenylpyrazolo[3,4-d]pyrimidine

4-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)benzonitrile

4-anilino-6-(4-nitrophenyl)pyrimidine-5-carbonitrile