Piperazine

2-[4-(4-methylbenzenesulfonyl)piperazin-1-yl]acetohydrazide

5-(2-(2-(Benzyloxy)-2-oxoethyl)-3-oxopiperazin-1-yl)-5-oxopentanoic acid

1-{3-[(2,6-dichlorophenyl)methyl]-1,2,4-thiadiazol-5-yl}piperazine

4-(4-Phenylpiperazin-1-yl)-5H-pyrimido[5,4-b]indole

2-Chloro-1-(4-((2,4-dimethylphenyl)sulfonyl)piperazin-1-yl)ethan-1-one

(4-Benzhydrylpiperazin-1-yl)(2,6-difluorophenyl)methanone

Piperazin-1-yl(pyrazin-2-yl)methanone

Tert-butyl 4-sulfamoylpiperazine-1-carboxylate

2-(3-Oxopiperazin-1-yl)pyridine-3-carbothioamide

1-(3-Chloropyridin-2-yl)-4-ethylpiperazine

Methyl 2-(2-methyl-3-oxopiperazin-2-yl)acetate

Ethyl 4-(3,3,3-trifluoro-2-hydroxypropyl)piperazine-1-carboxylate

1-(4-Fluorophenyl)-4-(4-methylpiperazin-1-yl)butan-1-one

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

Piperazine dihydrochloride hydrate

(4-(4-Amino-2-chlorophenyl)piperazin-1-yl)(4-chlorophenyl)methanone

4-(4-Methylpiperazine-1-carbonyl)phenylboronic acid

4-({[1-(chloroacetyl)-3-oxopiperazin-2-yl]acetyl}amino)-N-methylbenzamide

(4-(Tert-butyl)phenyl)(4-phenylpiperazin-1-yl)methanone

5-Bromo-1,3-dimethyl-6-((4-methylpiperazin-1-yl)methyl)pyrimidine-2,4(1H,3H)-dione

4-Chloro-2-(3-chlorophenyl)-5-(piperazin-1-yl)pyridazin-3(2H)-one

1-((Tetrahydrothiophen-2-yl)methyl)piperazine

(2-((4-(Tert-butoxycarbonyl)piperazin-1-yl)sulfonyl)phenyl)boronic acid

1-(5-Fluoropyridin-3-yl)piperazine

2-(Piperazin-1-yl)isonicotinic acid

1-(1-Cyclopropylethyl)piperazine

1-(1-phenyl-1H-tetrazol-5-yl)piperazine hydrochloride

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

N-[(4-Fluorophenyl)methyl]piperazine-1-carboxamide hydrochloride

N-(4-methoxyphenyl)-4-methylpiperazine-1-carbothioamide

n-(4-Ethoxyphenyl)-2-(piperazin-1-yl)acetamide

3,5-difluoro-2'-(4-methylpiperazinomethyl) benzophenone

3-[4-(3-Chlorophenyl)piperazin-1-yl]propan-1-amine

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

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

1-(4-Bromo-2-methylphenyl)piperazine-2,5-dione

1-(4-Acetylpiperazin-1-yl)-2-(4-nitrophenyl)ethan-1-one

2-methyl-1-(naphthalene-2-carbonyl)piperazine

4-(2-Hydroxyethyl)-piperazine-1-carboxylic acid amide

1-(2-Methoxyphenyl)-4-((2,4,5-trichlorophenyl)sulfonyl)piperazine

cyclopropyl 3-(4-methylpiperazinomethyl)phenyl ketone

5-Piperazin-1-yl-indan-1-one

1-Piperazinecarboxylic acid, 4-[3-(2,3-dihydro-2-oxo-6-benzoxazolyl)-3-oxopropyl]-, (3,5-dichlorophenyl)methyl ester

3-(4-Methylpiperazin-1-yl)pyridin-2-amine

Temafloxacin hydrochloride

2,3-dimethyl-3'-(4-methylpiperazinomethyl) benzophenone

2-(4-Methylpiperazin-1-yl)-4-(methylsulfonyl)benzaldehyde

(4-Amino-phenyl)-(4-ethyl-piperazin-1-yl)-methanone

{4-[4-(4-Methylbenzoyl)piperazin-1-yl]phenyl}amine

1-[(5-methyl-4H-1,2,4-triazol-3-yl)methyl]piperazine hydrochloride

1-(2-Fluoro-benzyl)-3-methyl-piperazine hydrochloride

3-cyano-4'-(4-methylpiperazinomethyl) benzophenone

1-Boc-4-(3-Formylphenyl)piperazine

tert-Butyl 4-(2-(((benzyloxy)carbonyl)amino)ethyl)piperazine-1-carboxylate

(5-Methyl-1,2,4-oxadiazol-3-yl)(piperazin-1-yl)methanone

3-{[1,1'-biphenyl]-4-yl}-6-(piperazin-1-yl)pyridazine

1-(3-Chlorophenyl)-4-(3-nitrobenzoyl)piperazine

2-Methyl-1-(piperazin-1-yl)propan-2-ol

3-Piperazin-1-ylthiolane 1,1-dioxide

4-(2-Amino-ethyl)-2-methyl-piperazine-1-carboxylic acid benzyl ester

TERT-BUTYL 4-(4-FLUOROBENZOYL)PIPERAZINE-1-CARBOXYLATE

4-(6-Ethoxy-pyrimidin-4-yl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester

4-(4-METHYLPIPERAZIN-1-YLSULFONYL)PHENYLBORONIC ACID PINACOL ESTER

1-(Cyclopropylsulfonyl)piperazine

N-(2-chlorophenyl)-2-piperazin-1-ylacetamide

2-{4-[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]piperazino}acetohydrazide

1-Cyclobutyl-2-isopropylpiperazine

4-methyl-2-piperazinecarboxylic acid dihydrochloride hydrate

2-Chloro-1-(4-phenylmethanesulfonylpiperazin-1-yl)ethan-1-one

1-(6-Bromohexyl)-4-methylpiperazine dihydrobromide

1-({2,7-dimethylimidazo[1,2-a]pyridin-3-yl}methyl)piperazine

tert-Butyl 4-(3-bromopropyl)piperazine-1-carboxylate

N-(2,5-dimethoxyphenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide

(4-(2-Chloroethyl)piperazin-1-yl)(phenyl)methanone hydrochloride

tert-Butyl (2S,5R)-2-ethyl-5-methylpiperazine-1-carboxylate

1-Cyclopentyl-2-isopropylpiperazine

1-Benzyl-3-(3-methoxyphenyl)piperazine

2-Chloro-5-(piperazin-1-yl)pyrazine

2-[4-(4-methoxyphenyl)piperazin-1-yl]ethanamine

n-Isopropyl-3-methylpiperazine-1-carboxamide

4-(4-Aminophenyl)piperazin-2-one

1-(5-chloropyridin-2-yl)-3-methylpiperazine

3-(2,2,2-Trifluoro-ethyl)-piperazine-1-carboxylic acid tert-butyl ester

(S)-1-Benzyl-3-(2,2,2-trifluoro-ethyl)-piperazine

3-(4-(4-Chlorophenyl)piperazin-1-yl)propanoic acid

4-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)aniline hydrochloride

1-(4-(1,3-Dioxolan-2-yl)-3-fluorophenyl)-4-methylpiperazine

2-(Piperazine-1-sulfonyl)benzonitrile hydrochloride

(5-Bromopyridin-2-yl)(4-methylpiperazin-1-yl)methanone

4-Benzylpiperazine-2,6-dione

5-Chloro-2-(4-isobutyrylpiperazin-1-yl)aniline

4-(6-Methoxy-2-methylsulfanyl-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester

2-(3-methylpiperazin-1-yl)pyridine-3-carboxylic acid

3-(2-oxo-2-phenylethylidene)piperazin-2-one

2-[(piperazin-1-yl)methyl]-1h-indole

4-Methoxy-6-(3-methyl-piperazin-1-yl)-pyrimidine hydrochloride

2-Chloro-1-[4-(furan-2-ylmethyl)piperazin-1-yl]ethan-1-one hydrochloride

(2E)-1-(2-methylpiperazin-1-yl)-3-phenylprop-2-en-1-one

3-(4-(Pyridin-2-yl)piperazine-1-carboxamido)benzoic acid

(S)-2-(Trifluoromethyl)piperazine