1-(4-hexanoylpiperazin-1-yl)hexan-1-one

1,1'-(哌嗪-1,4-二基)二(1-戊酮)

2-甲基-4-哌嗪喹啉

1-[2-(2-吡啶基)乙基]哌嗪

2-氯-1-[4-(2-氯乙酰基)哌嗪-1-基]-乙酮