(4-Hydroxy-phenyl)-piperazin-1-yl-methanone

1-(4-甲基苄基)哌嗪盐酸盐, Piperazin-1-yl-p-tolyl-methanone hydrochloride

4-(2-Amino-acetyl)-piperazine-1-carboxylic acid amide hydrochloride

3-(4-Acetyl-piperazin-1-yl)-propionic acid

2-Chloro-1-(4-isopropyl-piperazin-1-yl)-ethanone hydrochloride

(4-Isobutyl-piperazin-1-yl)-oxo-acetic acid

4-(4-Methyl-piperazin-1-yl)-4-oxo-butyric acid

2-Chloro-1-{4-[(2,5-dimethoxyphenyl)sulfonyl]piperazin-1-yl}ethanone

1-(2-丁基)-4-(2-氯乙基)哌嗪, 1-sec-Butyl-4-(2-chloro-ethyl)-piperazine dihydrochloride

1-[1-(4-Methoxy-phenyl)-ethyl]-piperazine