78551-60-7
4-苄基-3-氧代哌嗪-1-羧酸叔丁酯
→
~92%
59702-21-5
1-苄基-2-氧代哌嗪
79179-76-3
1-acetyl-4-benzyl-3-oxopiperazine
~81%
100-44-7
苄基氯
100-39-0
溴化苄