4-(2,4-dinitrophenyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine

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

2-(苯甲酰氧基)-2-苯基乙腈

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

5,7-dibenzoyl-4-methyl-1-phenyl-4-(1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-d]pyrimidine-6-carbonitrile