4-(4-苄基哌嗪-1-基)苯甲腈

5-(4-benzylpiperazin-1-yl)pyrrolidin-2-one

1-氰甲基-4-苯甲基哌嗪

ethyl 4-(4-benzylpiperazin-1-yl)benzoate

1-benzyl-4-(5-bromopyridin-3-yl)piperazine