Piperazine e Impurezas

(3-Amino-4-methylphenyl)(4-ethylpiperazin-1-yl)methanone

tert-butyl 4-(1,3-thiazol-2-ylsulfonyl)piperazine-1-carboxylate

2-(2-Ethylpiperazin-1-yl)benzo[d]oxazole

3-Isobutyl-1-methylpiperazine

4-Chloro-6-methoxy-7-(3-(4-methylpiperazin-1-yl)propoxy)quinoline

N-(furan-2-ylmethyl)-2-nitro-5-(piperazin-1-yl)aniline

4-Ethyl-N-(7-methoxy-4-((3-vinylphenyl)amino)quinazolin-6-yl)piperazine-1-carboxamide

N-isopropyl-2-nitro-5-piperazin-1-ylaniline hydrochloride

2-(4-(2-Chlorophenyl)piperazin-1-yl)-7-(4-methoxyphenyl)thieno[3,2-d]pyrimidin-4(1H)-one

Methyl 2-[4-(4-aminophenyl)piperazin-1-yl]acetate

[4-(4-Chloro-phenyl)-piperazin-1-yl]-naphthalen-2-yl-acetic acid

Tert-butyl 4-(2-(methoxycarbonyl)benzyl)piperazine-1-carboxylate

n-(2-Fluorophenyl)-2-(piperazin-1-yl)acetamide hydrochloride

4-[4-(5-Chloro-2-methoxybenzoyl)piperazin-1-yl]aniline

1-{[1,1'-biphenyl]-4-carbonyl}piperazine

1-Isopropyl-3-methyl-piperazine dihydrochloride

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

Benzyl 3-(trifluoromethyl)piperazine-1-carboxylate

4-Methyl-2-[(3-methylpiperazin-1-yl)methyl]morpholine

5-Chloro-2-(4-methylpiperazin-1-yl)aniline dihydrochloride

4-(4-Fluoro-benzyl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester 3-(4-fluoro-benzyl) ester

5-Isopropyl-3-(2-(piperazin-1-yl)pyrimidin-4-yl)-1,2,4-oxadiazole dihydrochloride

2-(4-Methoxyphenyl)-1-(piperazin-1-yl)ethan-1-one hydrochloride

1,4-Dibenzyl-piperazine-2,5-dione

5-[4-(2-chloroacetyl)piperazin-1-yl]-2-(furan-2-yl)-1,3-oxazole-4-carbonitrile

ethyl 4-(2-ethoxy-1-methyl-2-oxoethyl)piperazine-1-carboxylate

tert-butyl 4-(4-acetyl-2-nitrophenyl)piperazine-1-carboxylate

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

(3-(2-(4-Ethylpiperazin-1-yl)ethoxy)phenyl)boronic acid

1-METHYL-4-UNDEC-10-ENYL-PIPERAZINE

1-(4-(4-Bromobenzoyl)piperazin-1-yl)propan-1-one

(S)-1-Boc-3-Propylpiperazine

1-(4-(2-Hydroxyethyl)piperazin-1-yl)-3-(3-methoxyphenoxy)propan-2-ol dihydrochloride

3-(1H-Indol-3-ylmethyl)-6-(phenylmethyl)-2,5-piperazinedione

(R)-2-benzylpiperazine

(5-Bromo-2-fluoro-3-methoxyphenyl)(4-methylpiperazin-1-yl)methanone

2-Methyl-1-(3-(piperazin-1-yl)azetidin-1-yl)pentan-1-one

1-(3-Biphenylyl)piperazine

2-Isopropyl-1-propylpiperazine

5-Fluoro-2-(2-methyl-piperazin-1-yl)-pyrimidine hydrochloride

4-Chloro-2-(piperazin-1-ylmethyl)phenol

1-(4-Methoxy-3-nitrobenzenesulfonyl)piperazine

1-((3-Chlorophenyl)sulfonyl)-4-(3,4-dichlorophenyl)piperazine

3-Hydroxy-6-(hydroxymethyl)-2-((4-(3-(trifluoromethyl)phenyl)piperazin-1-yl)methyl)-4H-pyran-4-one

4-(2-Hydroxy-ethyl)-piperazine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

2-(Piperazine-1-carbonyl)phenol hydrochloride

6-[4-(4-fluorophenyl)piperazin-1-yl]-1,4-dihydropyrimidine-4-thione

1-(2-(Methylsulfonyl)phenyl)piperazine dihydrochloride

1-(2-bromoethyl)piperazine dihydrobromide

2,2-Dimethyl-1-propylpiperazine

Methyl 4-chloro-3-[(3-oxopiperazin-1-yl)sulfonyl]benzoate

tert-butyl 4-(4-chloro-2-cyanophenyl)piperazine-1-carboxylate

2-(2-Methoxyethyl)piperazine

6-(4-Methylpiperazin-1-yl)pyridine-3-carbonitrile

4-(Piperizin-1-ylsulfonyl)morpholine hydrochloride

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

2-fluoro-6-(4-methylpiperazin-1-yl)benzonitrile

4-phenylpiperazin-1-amine

Ethyl 4-[2-{4-(tert-butyloxycarbonyl)piperazin-1-yl}ethoxy]benzoate

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

methyl 3-[2-(4-ethylpiperazin-1-yl)-4-methylpyrimidin-5-yl]-3-oxopropanoate

1-((1-(4-Fluorophenyl)-1h-tetrazol-5-yl)methyl)piperazine dihydrochloride

tert-Butyl 4-(2-fluoro-6-nitrophenyl) piperazine-1-carboxylate

1-Boc-4-[carboxy-(1H-indol-2-yl)-methyl]-piperazine

4-Methyl-2-piperazin-1-yl-quinoline

BUTYL 6,8-DIFLUORO-4-(PIPERAZIN-1-YL)QUINOLINE-2-CARBOXYLATE

1-(Piperidin-4-yl)piperazine-2,3-dione

(2S,5R)-4-Benzyl-2,5-dimethyl-piperazine-1-carboxylic acid tert-butyl ester

1-(4-Bromobenzoyl)-4-phenylpiperazine

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

5-(4-Isobutylpiperazin-1-yl)furan-2-carbaldehyde

n-[(4-chlorophenyl)methyl]-n'-[2-(piperazin-1-yl)ethyl]ethanediamide

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

4-Chloro-6-(4-methylpiperazin-1-yl)pyrimidine

(R)-1-Cyclohexyl-3-methyl-piperazine dihydrochloride

3-[(4-ethylpiperazin-1-yl)methyl]benzene-1-carboximidamide trihydrochloride

1-Acetyl-piperazine-2-carboxylic acid methyl ester

1-Benzyl-3,5-dimethylpiperazine

2-(4-(1,3-Dimethyl-4-(trifluoromethyl)-1H-pyrazolo[3,4-b]pyridin-6-yl)piperazin-1-yl)ethan-1-ol

4-Phenyl-2-piperazinecarboxylic acid monohydrochloride

2-(P-tolyl)piperazine

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

3-Piperazin-2-yl-propionic acid methyl ester dihydrochloride

2-{4-[6-(hydroxymethyl)pyridazin-3-yl]piperazin-1-yl}ethan-1-ol

1-((Difluoromethyl)sulfonyl)piperazine

Ethyl 2-(piperazin-1-yl)propanoate

(5-Bromo-2-chloropyridin-4-yl)(4-methylpiperazin-1-yl)methanone

2-[4-(piperazin-1-ylmethyl)-1h-pyrazol-1-yl]ethan-1-ol

1-(3-(Trifluoromethoxy)benzyl)piperazine

1-(6-Chloro-pyridin-3-ylmethyl)-3-methyl-piperazine hydrochloride

4-(4-Chloro-5-methyl-pyrimidin-2-yl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester

2-{4-[(2-chlorophenyl)methyl]piperazin-1-yl}acetohydrazide

Tert-butyl 4-(3-formylbenzyl)piperazine-1-carboxylate

Piperazin-1-yl(piperidin-4-yl)methanone

tert-Butyl 4-(3-cyano-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate

4-Bromo-2-(piperazin-1-yl)benzoic acid

4-Chloro-6-(4-(2-fluorophenyl)piperazin-1-yl)pyrimidine

1-(Methylsulfonyl)-4-(pyridin-2-yl)piperazine

1-(3-Bromobenzoyl)-4-(1,3-thiazol-2-yl)piperazine

(4-{[4-(2-methoxyphenyl)piperazin-1-yl]sulfonyl}phenyl)amine