1-(3-羟基苯基)-哌嗪-4-羧酸叔丁酯

3-(哌嗪-1-甲基)苯甲酸甲酯

1-[2-(3-Fluorophenyl)ethyl]piperazine

tert-Butyl 4-[2-(methoxycarbonyl)-benzyl]piperazine-1-carboxylate

1-N-Boc-4-(2-叔丁氧基-2-氧代乙基)哌嗪