1,1'-(piperazin-1,4-diyl)bis(3-phenoxypropan-2-ol)

(S)-1,4-苯并二噁烷-2-羧基哌嗪

1-异丙氧基-3-哌嗪-1-基-2-丙醇

(4-氰基甲基-哌嗪-1-基)-乙腈

1-哌嗪丁醇