Piperazine

1-Cyclopentyl-piperazin-2-one hydrochloride

3-(4-Phenylpiperazin-1-yl)propanoic acid hydrochloride

1,3,3-Trimethylpiperazine-2,5-dione

5-chloro-2-piperazin-1-yl-1,3-benzoxazole dihydrochloride

6-Nitroquipazine

3-Methyl-1-(3-methylpyridin-4-yl)piperazine

3-Ethyl-1-[2-(1h-pyrazol-1-yl)ethyl]piperazine

3-(4-(Pyrimidin-2-yl)piperazin-1-yl)propanoic acid

1-Boc-3-Isobutylpiperazine

4-(4-Cyclopropylpiperazin-1-yl)-3-fluoroaniline

1-(3-Methylpyridin-2-yl)piperazine hydrochloride

1-((Tetrahydro-2H-pyran-4-yl)methyl)piperazine

8-((4-Benzhydrylpiperazin-1-yl)sulfonyl)quinoline

(4-[(4-Methylpiperazin-1-yl)methyl]phenyl)methylamine

4-(Piperazin-1-yl)quinazoline dihydrochloride

1-(2-ethylhexyl)piperazine

1-[(3-chloro-6-nitro-1-benzothien-2-yl)carbonyl]piperazine

1-n-Heptylpiperazine

1-Thiazol-2-yl-piperazine

1-(6-Methylpyridin-3-yl)piperazine

1-[4-(4-amino-3-methoxyphenyl)piperazin-1-yl]ethan-1-one

3-(3-phenylpiperazin-1-yl)pyrazin-2-amine

4-[5-Nitro-6-(piperazin-1-yl)-4-(trifluoromethyl)pyridin-2-yl]morpholine

1-[5-(Trifluoromethyl)pyrid-2-yl]piperazine

Piperazin-1-yl(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanone hydrochloride

1-(1-(3,4-Dichlorophenyl)ethyl)piperazine

2-(4-Methoxyphenyl)-2-(4-methylpiperazin-1-yl)ethan-1-amine

2-(4-Boc-piperazinyl)-2-(3-chlorophenyl)acetic acid

1-{3-[4-(trifluoromethyl)phenyl]-1,2,4-thiadiazol-5-yl}piperazine

5-[(4-benzylpiperazin-1-yl)sulfonyl]-1,2-dihydropyridine-2-thione

4-bromo-2-fluoro-4'-(4-methylpiperazinomethyl) benzophenone

1-(3-methylpiperazin-1-yl)butan-1-one

1-[3-(4-fluorophenyl)-1,2,4-thiadiazol-5-yl]piperazine

1-(1H-pyrrol-2-ylcarbonyl)piperazine hydrochloride

Ethyl 2-(piperazin-1-yl)-1,3-thiazole-5-carboxylate

1-(4-Bromophenyl)-2-(4-methylpiperazin-1-yl)ethanone

1-Cyclopentyl-2-methylpiperazine

1-[4-(1,1-dioxido-1,2-benzisothiazol-3-yl)piperazin-1-yl]propan-2-ol

1-Benzyl-4-(4-methylpiperidin-4-yl)piperazine

1-(4-(4-Methoxyphenyl)piperazin-1-yl)-3-phenoxypropan-2-ol

1-{[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperazine hydrochloride

4-Methyl-2-(piperazin-1-yl)pyrimidine dihydrochloride

3-chloro-5-fluoro-2'-(4-methylpiperazinomethyl) benzophenone

1-[3,5-bis(trifluoromethyl)benzenesulfonyl]piperazine hydrochloride

tert-Butyl 4-(4-(aminomethyl)phenyl)piperazine-1-carboxylate

(2,3-Dihydro-benzo[1,4]dioxin-6-yl)-(3-methyl-piperazin-1-yl)-methanone hydrochloride

2-(4-Methylpiperazin-1-yl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine

4-(Piperazin-1-yl)pyrimidine

2-(2-Methylphenyl)-1-(piperazin-1-yl)ethan-1-one

2-[(2S)-Piperazin-2-yl]acetonitrile hydrochloride

1-(1,3-Dihydro-2-benzofuran-5-ylmethyl)piperazine dihydrochloride

3-(Piperazin-1-yl)benzo[d]isothiazole 1,1-dioxide hydrochloride

2-METHYL-2-(4-OXETAN-3-YL-PIPERAZIN-1-YL)-PROPIONALDEHYDE

1-{[5-(4-fluorophenyl)-1,2,4-oxadiazol-3-yl]methyl}piperazine

1,3-bis(2-fluorobenzyl)piperazin-2-one hydrochloride

(R)-di-tert-butyl 2-cyanopiperazine-1,4-dicarboxylate

tert-Butyl 3-Ethylpiperazine-1-carboxylate

4-({4-[2-(pyrrolidin-1-yl)ethyl]piperazin-1-yl}sulfonyl)benzoic acid

1-(4-Bromobenzyl)piperazin-2-one

Cyclo (L-Ala-L-ala)

1-Boc-4-(5-Nitro-2-pyridyl)piperazine

tert-butyl 4-(3-isopropyl-2,5-dioxopiperazin-1-yl)piperidine-1-carboxylate

3-Chloro-2-(4-propionylpiperazin-1-yl)aniline

1-(Cyclohex-3-en-1-yl)piperazine

N-(4-((4-(4-fluorophenyl)piperazin-1-yl)sulfonyl)phenyl)acetamide

1-Isopropylpiperazin-2-one

2-[4-(2-Amino-ethyl)-piperazin-1-yl]-ethylamine tetrahydrochloride

4-ethylpiperazin-2-one

1-(4-Chloro-6-methylpyridin-2-yl)piperazine

3-[4-[(2-Methylpropan-2-yl)oxycarbonyl]piperazin-1-yl]indolizine-6-carboxylic acid

1-(2-Fluoro-4-nitrophenyl)-4-tosylpiperazine

Tert-butyl 4-(3-bromo-5-(methoxycarbonyl)pyridin-2-yl)piperazine-1-carboxylate

1-(2-Cyclohexylethyl)piperazine

(4-((4-(tert-Butoxycarbonyl)piperazin-1-yl)methyl)phenyl)boronic acid

3-{4-[(4-ethylpiperazin-1-yl)sulfonyl]phenyl}propanoic acid

2-Biphenyl-4-yl-3-piperazin-1-ylmethyl-imidazo-[1,2-a]pyridine

1-(1H-1,2,4-triazol-3-yl)piperazine dihydrochloride

(4-Aminophenyl)(4-cyclohexylpiperazino)methanone

1-[4-(Piperidine-4-carbonyl)-piperazin-1-yl]-ethanone; hydrochloride

4-(4-Methyl-piperazine-1-carbonyl)-benzaldehyde

1-(3,4-dimethylbenzyl)piperazin-2-one

(S)-1,4-Benzodioxan-2-carboxypiperazine

Piperazin-1-yl-p-tolyl-methanone hydrochloride

1-Benzyl-2-phenylpiperazine

Tert-butyl3-cyclobutylpiperazine-1-carboxylate

1-(1-(Pyridin-4-yl)ethyl)piperazine

4-Methoxy-2-(4-phenylpiperazin-1-yl)nicotinonitrile

2-(4-(Tert-butoxycarbonyl)piperazin-1-yl)but-3-enoic acid

1-CYCLOPROPYL-6-FLUORO-7-(4-METHYL-PIPERAZIN-1-YL)-4-OXO-1,4-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID

[4-(4-cyclopropylpiperazin-1-yl)phenyl]methanol

1-BENZYL-4-METHANESULFONYL-PIPERAZINE

1-(3-Dimethylaminopropyl)-piperazine

n-(2-Ethylphenyl)-2-(piperazin-1-yl)acetamide

3-Methoxy-4-(4-methylpiperazin-1-yl)aniline trihydrochloride

1-[(3-chloro-4-methoxyphenyl)sulfonyl]piperazine

[4-(4-ethylpiperazin-1-yl)-3-fluorophenyl]methanamine

(5-Chloro-2-(trifluoromethyl)phenyl)(4-methylpiperazin-1-yl)methanone

N-ethyl-3-phenylpiperazine-1-carboxamide

4-(But-3-yn-1-yl)-1,2,2-trimethylpiperazine

1-[4-(2-Amino-phenyl)-piperazin-1-yl]-ethanone