N-苄基哌啶酮

1-Boc-4-氧-3-哌啶羧酸乙酯

6-苄基-2,4-二氯-5,6,7,8-四氢吡啶并[4,3-d]嘧啶

4-氧代-3-哌啶甲酸乙酯

6-苄基-5,6,7,8-四氢吡啶并[4,3-d]嘧啶-4(3H)-酮