哌嗪是一种由六元环组成的有机化合物，该环含有两个位于环中相反位置的氮原子。哌嗪存在碱性碱性潮解晶体，具有咸味。
1-Boc-4-(3-Aminopyridin-2-yl)piperazine
tert-Butyl 4-(6-nitropyridin-2-yl)piperazine-1-carboxylate
(6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-2-methylpyridin-3-yl)boronic acid
tert-Butyl 4-(3-(isopropylamino)pyridin-2-yl)piperazine-1-carboxylate
(6-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-5-methylpyridin-3-yl)boronic acid
tert-Butyl 4-(4-nitropyridin-2-yl)piperazine-1-carboxylate
Sodium 2-hydroxy-1-(4-(2-hydroxyethyl)piperazin-1-yl)propane-1-sulfonate
4-(4-(2-Hydroxyethyl)piperazin-1-yl)butane-1-sulfonic acid
tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate
Sodium 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanesulfonate
3-[4-(2-Hydroxyethyl)-1-piperazinyl]-2-hydroxypropanesulfonic Acid Hydrate
2-(4-(3-Chloropropyl)piperazin-1-yl)ethanol dihydrochloride
tert-Butyl 4-(2-aminoethyl)piperazine-1-carboxylate
2-(4-(2-Aminoethyl)piperazin-1-yl)ethanol
2,2'-(Piperazine-1,4-diyl)diethanamine
2-(4-(Methylsulfonyl)piperazin-1-yl)ethanamine dihydrochloride
2-(4-Isopropylpiperazin-1-yl)ethanamine
1-(Methylsulfonyl)piperazine hydrochloride
1-Methanesulfonylpiperazine
tert-Butyl 4-(methylsulfonyl)piperazine-1-carboxylate
(S)-2-(4-(Methylsulfonyl)piperazin-1-yl)propan-1-ol
2-Amino-1-(4-(methylsulfonyl)piperazin-1-yl)ethan-1-one
1-(2-Chloroethyl)-4-methylpiperazine dihydrochloride
1-(2-Chloroethyl)-4-methylpiperazine hydrochloride
1-Formyl-4-methylpiperazine
1-(4-Methylpiperazin-1-yl)ethanone
Ethyl 4-Methylpiperazine-2-carboxylate
1-(2-Hydroxyethyl)-4-methylpiperazine
1-Methylpiperazine dihydrochloride
