5-benzoyl-4,5-dihydro-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine-4-carbonitrile

6-benzoyl-6,7-dihydro-3-phenyl-3H-1,2,3-triazolo(4,5-d)pyrimidine-7-carbonitrile

扁桃腈

苯甲酰氯

苯甲酸酐