Piperazine e Impurezas

2-Chloro-1-[4-(2-fluoro-benzoyl)-piperazin-1-yl]-ethanone

(R)-Piperazine-2-carboxylic acid

1-(2-chloro-6-nitrophenyl)-3-methylpiperazine hydrochloride

(4-((4-Chloro-3-(trifluoromethyl)phenyl)sulfonyl)piperazin-1-yl)(4-(5-methyl-1H-pyrazol-1-yl)phenyl)methanone

4-(Piperazin-1-ylmethyl)benzamide dihydrochloride

1-(2-Methoxyphenyl)-4-(5-nitropyridin-2-yl)piperazine

[2-(4-Benzylpiperazin-1-yl)phenyl]methanol

1-(4-Fluoro-phenyl)-4-piperazin-1-yl-butan-1-one dihydrochloride

1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-3-methylpiperazine

tert-Butyl 4-(6-aminopyridin-2-yl)piperazine-1-carboxylate

1-methyl-4-(3-piperidinylmethyl)piperazine trihydrochloride

2-[4-(3-Nitro-2-pyridyl)piperazino]ethan-1-ol

(S)-3-Benzyl-1-methyl-piperazine dihydrochloride

3-Fluoro-4-(4-(methylsulfonyl)piperazin-1-yl)aniline

1-(4-(4-Hydroxyphenyl)piperazin-1-yl)ethanone

tert-Butyl 4-(cyclopropanecarbonyl)piperazine-1-carboxylate

2-iodo-6-(4-methylpiperazin-1-yl)benzoic acid

3-chloro-2-(4-ethylpiperazin-1-yl)aniline

(S)-Tert-butyl 4-(4-bromobenzoyl)-3-(4-chlorophenyl)piperazine-1-carboxylate

TERT-BUTYL 4-(4-BROMOTHIAZOL-2-YL)PIPERAZINE-1-CARBOXYLATE

1-(3-Fluorobenzyl)-2-(piperazin-1-yl)-1H-benzo[d]imidazole

3,5-Dimethyl-4-(piperazin-1-ylsulfonyl)isoxazole

2-(4-(2-Hydroxyethyl)piperazin-1-yl)nicotinonitrile

2-Piperazin-1-yl-benzaldehyde

(S)-2-(4-(((9H-fluoren-9-yl)methoxy)carbonyl)-3-benzyl-2-oxopiperazin-1-yl)acetic acid

1-Benzyl-3-trifluoromethyl-piperazine

1-[2-(trifluoromethyl)benzenesulfonyl]piperazine

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

1-(Chroman-3-ylmethyl)piperazine

2-(4-methylpiperazin-1-yl)-1,3-benzothiazol-6-amine

2-(Tert-butyl)-1-(cyclopropylmethyl)piperazine

2-Methyl-1-(2-methyl-benzyl)-piperazine hydrochloride

2-[4-(pyrimidin-2-yl)piperazin-1-yl]acetonitrile

1-Methyl-4-[4-nitro-2-(trifluoromethyl)phenyl]-piperazine

3'-methoxy-2-(4-methylpiperazinomethyl) benzophenone

2-(4-Fluorophenyl)-2-(piperazin-1-yl)ethan-1-ol dihydrochloride

TERT-BUTYL 4-(3-NITROBENZYL)PIPERAZINE-1-CARBOXYLATE

1-(Piperidin-4-yl)-4-propylpiperazine

N-(4-benzylpiperazine-1-carbonothioyl)benzamide

N,N-dimethyl-7-(piperazin-1-yl)benzo[c][1,2,5]oxadiazole-4-sulfonamide

3-[(4-acetylpiperazin-1-yl)sulfonyl]-4-fluorobenzoic acid

4,6-dimethyl-2-piperazin-1-yl-1,3-benzothiazole

1-Boc-3-Carbamoylpiperazine

(4-((4-(Tert-butoxycarbonyl)piperazin-1-yl)methyl)-2-fluorophenyl)boronic acid

6-{4-[(tert-butoxy)carbonyl]-3-phenylpiperazin-1-yl}pyridine-3-carboxylic acid

1-(1-ethylpropyl)piperazine dihydrochloride

1-(3-Isopropoxypyridin-2-yl)piperazine

4-methyl-2-piperazinecarboxylic acid dihydrochloride hydrate

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

4-Phenethylpiperazin-2-one

4-Chloro-3-{[4-(4-fluorophenyl)piperazin-1-yl]sulfonyl}benzoic acid

2-[(4-methylpiperazin-1-yl)methyl]morpholine

Cyclohexyl(piperazin-1-yl)methanone

Ethyl piperazine-2-carboxylate dihydrochloride

1-Cyclopentyl-piperazin-2-one

5-Amino-2-(4-methyl-piperazin-1-yl)-benzoic acid

tert-Butyl 4-(tetrahydro-2H-pyran-4-yl)piperazine-1-carboxylate

1-Ethyl-3-phenylpiperazine

2-Fluoro-4-(4-methylpiperazin-1-yl)benzoic acid

5-phenyl-2-{[(2-piperazin-1-ylethyl)amino]methylene}cyclohexane-1,3-dione

Methyl 4-(4-benzylpiperazin-1-yl)-3-fluorobenzoate

1-{3-[(4-chlorophenyl)methoxy]phenyl}piperazine hydrochloride

1-methoxy-3-(piperazin-1-yl)propan-2-ol

(R)-4-(Benzyloxycarbonyl)piperazine-2-carboxylic acid

4-(Piperazin-1-yl)benzoic acid dihydrochloride

1-{[1-(difluoromethyl)-5-methyl-1H-pyrazol-4-yl]sulfonyl}piperazine

3-Chloro-1-[4-(pyridin-2-yl)piperazin-1-yl]propan-1-one

1-Phenyl-4-(phenylsulfonyl)piperazine

4-Piperazin-1-yl-piperidine-1-carboxylic acid tert-butyl ester

4-((4-METHYLPIPERAZIN-1-YL)METHYL)BENZOYL CHLORIDE

2-(3-Methylphenoxy)-1-(piperazin-1-yl)propan-1-one hydrochloride

4-Fluoro-3-(4-methylpiperazin-1-yl)benzaldehyde

2-(4-isopropylpiperazine-1-carbonyl)benzoic acid

4-(Tert-butoxycarbonyl)-1-methylpiperazine-2-carboxylic acid

6,7-Dimethoxy-4-piperazin-1-yl-quinazoline

3-Ethyl-6-(piperazin-1-yl)-[1,2,4]triazolo[4,3-b]pyridazine

1-(Mesitylsulfonyl)-4-(2-methoxyphenyl)piperazine

1-[4-(3-acetylbenzenesulfonyl)piperazin-1-yl]-2-chloroethan-1-one

4-(6-Chloro-2-methylsulfanyl-pyrimidin-4-yl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester

5-Piperazin-1-yl-nicotinic acid tert-butyl ester

1-(4-Methylpiperazine-1-carbonyl)-6-azaspiro[2.5]octane dihydrochloride

3-(4-Boc-Piperazino)-5-chlorophenylboronic acid

4-(4-(4-(4-Methoxyphenyl)piperazin-1-yl)phenyl)-1H-1,2,4-triazol-5(4H)-one

Lithium 2-((4-methylpiperazin-1-yl)methyl)benzoate

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

3-(1-Piperazinylmethyl)-1H-pyrrolo[2,3-b]pyridine

(2-Chloro-6-(trifluoromethyl)phenyl)(4-methylpiperazin-1-yl)methanone

3-Methyl-N-(4-(4-methylpiperazin-1-yl)phenyl)butanamide

1-(Piperidin-3-yl)piperazine

(S)-1,2-Dimethylpiperazine dihydrochloride

4-(2-Fluorophenyl)-N-(4-methoxyphenyl)piperazine-1-carbothioamide

2-methyl-1-(1-phenylethyl)piperazine

2-[1-(chloroacetyl)-3-oxopiperazin-2-yl]-N-(4-methylphenyl)acetamide

2-(3,5-Dimethoxyphenyl)piperazine

2-[4-(2-Fluoro-4-nitrophenyl)piperazin-1-yl]ethanol

1-Boc-4-(2-Amino-1-phenylethyl)piperazine

4-Ethyl-2-methyl-6-(piperazin-1-yl)pyrimidine

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

methyl (2E)-(3-oxopiperazin-2-ylidene)acetate

1-(4-chloro-2-fluorobenzoyl)piperazine