N'-[1-(1-oxidopyridin-1-ium-2-yl)ethyl]-4-pyridin-2-ylpiperazine-1-carbothiohydrazide

2-氯-1-[4-(2-吡啶基)-1-哌嗪基]乙酮

(6-methylpyridin-3-yl)-(4-pyridin-2-ylpiperazin-1-yl)methanone

1-phenylsulfanyl-4-pyridin-2-ylpiperazine

4-(2-吡啶基)-1-哌嗪乙醇