1-[2-(2,4,6-Tri-tert-butyl-phenylphosphanylidene)-ethyl]-4-aza-1-azonia-bicyclo[2.2.2]octane; bromide

曲恩汀

3-(1-哌嗪)-1,2-丙二醇

1-(2-溴乙基)哌嗪二氢溴酸

1-(2-氯乙基)哌嗪