2,2,2-三氟-1-[4-(2,2,2-三氟乙酰基)哌嗪-1-基]乙酮

(4-benzylpiperazin-1-yl)-phenylmethanone

艾沙拉唑

cyclopentyl(piperazin-1-yl)methanone

1-[(4-叔丁基苯基)磺酰基]哌嗪