3-[4-(2-Methylbenzoyl)piperazin-1-yl]-3-oxopropionic acid

1-[4-(2-Chloro-ethyl)-piperazin-1-yl]-ethanone hydrochloride

1-乙酰基-4-(2-氯乙基)哌嗪盐酸盐

1-(4-Allyl-piperazin-1-yl)-2-amino-ethanone dihydrochloride

4-Methyl-piperazine-1-carboxamidine hemisulfate

4-甲基哌嗪-1-甲脒半硫酸盐

2-Amino-1-(4-methyl-piperazin-1-yl)-ethanone dihydrochloride

(4-Allyl-piperazin-1-yl)-acetic acid bistrifluoroacetate

(4-丙烯基哌嗪-1-基)乙酸

2-[4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)piperazin-1-yl]acetic acid

1-N-异丁基哌嗪二盐酸盐, 1-Isobutyl-piperazine dihydrochloride

1-(4-Methoxy-benzenesulfonyl)-piperazine

2-Piperazinomethyl-1,3-dioxolan

1-(1,3-二氧芑-2-基甲基)哌嗪