5-氨基-1-(苯基甲基)-1H-1,2,3-三唑-4-甲腈

5-amino-3-benzyl-2H-triazolo[4,5-d]pyrimidin-7-one

3-苄基-3H-[1,2,3]噻唑[4,5-d]嘧啶-7-醇

3-苄基-7-氯-3H-[1,2,3]-噻唑并[4,5-d]嘧啶

3-benzyl-7-chloro-5-phenyltriazolo[4,5-d]pyrimidine