Piperazine e Impurezas

n-[4-(piperazin-1-yl)phenyl]methanesulfonamide

1-(2-Methylpiperazin-1-yl)propan-2-ol

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

2-(Piperazin-1-ylsulfonyl)benzoic acid

4-Piperazin-1-yl-benzaldehyde

2-Chloro-1-(4-(2-morpholino-2-oxoethyl)piperazin-1-yl)ethan-1-one hydrochloride

Cyclo(L-Ala-L-Gly)

(4-Methylpiperazin-1-yl)(piperidin-4-yl)methanone hydrochloride

3-Methyl-2-(piperazin-1-yl)quinoline

tert-butyl 4-[3-cyano-6-(furan-2-yl)pyridin-2-yl]piperazine-1-carboxylate

4-(3-Chlorophenyl)-N-methylpiperazine-1-carbothioamide

2-Chloro-1-[4-(3,5-dichloropyridin-2-yl)piperazin-1-yl]ethan-1-one

4-(4-Ethylpiperazin-1-yl)-3-fluorobenzoic acid

1-((1-(2-Chlorophenyl)-1H-1,2,3-triazol-5-yl)methyl)piperazine dihydrochloride

1-(1,3-thiazol-2-ylsulfonyl)piperazine

1-[1-(4-Fluorophenyl)ethyl]piperazine hydrochloride

tert-butyl 4-(4H-1,2,4-triazole-3-carbonyl)piperazine-1-carboxylate

4-methyl-4'-(4-methylpiperazinomethyl) benzophenone

2-Chloro-1-[4-(3-fluorobenzenesulfonyl)piperazin-1-yl]ethan-1-one

1-(2-Methoxyphenyl)-2-methylpiperazine

3-(Piperazin-1-yl)azetidine-3-carbonitrile

2-[4-(2-chloroacetyl)piperazin-1-yl]-2-(4-methoxyphenyl)acetonitrile

4-{[4-(pyridin-2-yl)piperazin-1-yl]methyl}-1,3-thiazol-2-amine

tert-Butyl (2S,4R)-4-(4-(3-methyl-1-phenyl-1H-pyrazol-5-yl)piperazin-1-yl)-2-(thiazolidine-3-carbonyl)pyrrolidine-1-carboxylate

1-(3-Bromopropyl)-4-ethylpiperazine

2-(tert-Butyl)-4-(1-methylcyclopropyl)-6-(piperazin-1-yl)pyrimidine

7-Methoxy-4-(piperazin-1-ylmethyl)-2h-chromen-2-one

Ethyl 4-(3-phenylpropyl)piperazine-1-carboxylate

Tert-butyl 4-(2-chloropropanoyl)piperazine-1-carboxylate

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

2-(4-(2-Fluorophenyl)piperazin-1-yl)-N-(4-isopropylphenyl)acetamide

5-nitro-2-(4-pyridin-2-ylpiperazin-1-yl)benzonitrile

2-chloro-5-fluoro-4-piperazin-1-ylpyrimidine dihydrochloride

tert-Butyl 4-(3-bromopyridin-2-yl)piperazine-1-carboxylate

1-(2,5-Dichloro-benzyl)-piperazine-2-carboxylic acid hydrochloride

6-(4-Ethylpiperazin-1-yl)nicotinaldehyde

2-[(4-methylpiperazin-1-yl)methyl]-1,4-dihydroquinazolin-4-one

1-(1-(3-Methoxyphenyl)-1h-imidazol-2-yl)piperazine

2-(4-Chlorophenyl)-2-(piperazin-1-yl)acetamide dihydrochloride

2-(4-(3-Chlorophenyl)piperazin-1-yl)-N-(3-(trifluoromethyl)phenyl)acetamide

2-Methyl-4-(1-pyridin-2-yl-ethyl)-piperazine-1-carboxylic acid tert-butyl ester

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

1-(3-(Pyrrolidin-1-yl)propyl)piperazine

1-[2-(2,3-dihydro-1h-inden-5-yloxy)ethyl]piperazine

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

Tert-butyl 3-(3,4-difluorophenyl)piperazine-1-carboxylate

Methyl 5-fluoro-2-(4-methylpiperazin-1-yl)benzoate

4-Methylpiperazine-2-carbonitrile

3-Fluoro-4-[(4-methylpiperazino)methyl]benzaldehyde

4-(2-Amino-acetyl)-piperazine-1,2-dicarboxylic acid 1-benzyl ester 2-methyl ester

4-(6-Cyclopropylamino-pyrimidin-4-yl)-2-methyl-piperazine-1-carboxylic acid tert-butyl ester

2-(Piperazin-1-yl)pyrimidine-5-carboxylic acid

4-[(4-benzylpiperazin-1-yl)methyl]-1,3-thiazol-2-amine

Ethyl 3-nitro-4-[4-(2-hydroxyethyl)piperazin-1-yl]benzoate

2-(4-(Phenylsulfonyl)piperazin-1-yl)ethanol

3-(Piperazin-1-yl)aniline

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

3-((4-(2-Chlorophenyl)piperazin-1-yl)sulfonyl)-1H-pyrazole-4-carbohydrazide

2-(3-Fluorophenyl)piperazine dihydrochloride

3-[4-(2-fluorophenyl)piperazin-1-yl]-3-oxopropanenitrile

3-(4-Bromophenyl)piperazin-2-one

tert-Butyl 4-[(4-fluorobenzene)sulfonyl]piperazine-1-carboxylate

3-(4-Chlorophenyl)-5-(piperazin-1-ylmethyl)-1,2,4-oxadiazole

N-(3-methoxypropyl)-2-piperazin-1-ylacetamide

2,2-Dimethyl-3-(4-methylpiperazine-1-carbonyl)cyclopropane-1-carboxylic acid

3-(4-Benzhydrylpiperazin-1-yl)-1,1,1-trifluoropropan-2-ol

2-Chloro-1-[4-(4-chloro-2-nitrophenyl)piperazin-1-yl]ethan-1-one

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

N-(2-(4-methylpiperazin-1-yl)-5-(trifluoromethyl)phenyl)hydroxylamine

5-(4-Benzylpiperazin-1-yl)-2-nitroaniline

(R)-2-Trifluoromethyl-piperazine

(R)-3-Hydroxymethyl-piperazine-1-carboxylic acid tert-butyl ester hydrochloride

1-(4-(3-Aminopropyl)piperazin-1-yl)ethanone

1-(Naphthalen-1-ylmethyl)piperazine dihydrochloride

1-((Tetrahydrofuran-2-yl)methyl)piperazine hydrochloride

1-[4-(Pyridin-4-ylmethoxy)-phenyl]-piperazine trihydrochloride

2-Methyl-1-(pyridin-2-yl)piperazine hydrochloride

4-[4-(4-fluorophenyl)piperazin-1-yl]-4-oxobutanoic acid

2-(4-Chlorophenyl)-2-(piperazin-1-yl)acetonitrile

4-(2-Amino-acetyl)-3-methyl-piperazine-1-carboxylic acid benzyl ester

3-Cyclohexyl-1-methylpiperazine

2-[4-(4-aminobutyl)piperazin-1-yl]ethan-1-ol

4-((S)-2-Amino-3-methyl-butyryl)-piperazine-1,2-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

2-Chloro-1-(2,4-dimethyl-piperazin-1-yl)-ethanone

4-(6-Bromo-pyridin-2-yl)-2-methyl-piperazine-1-carboxylic acid tert-butyl ester

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

1-methyl-4-[4-(1H-pyrazol-5-yl)phenyl]piperazine

1-{2-[(4-chloro-1-naphthyl)oxy]ethyl}piperazine hydrochloride

1-[2-chloro-5-(trifluoromethyl)benzenesulfonyl]piperazine hydrochloride

3-(2-(4-(4-Fluorophenyl)piperazin-1-yl)-2-oxoethyl)-7-phenylthieno[3,2-d]pyrimidin-4(3H)-one

2-(4-methylpiperazin-1-yl)-3-(trifluoromethyl)benzonitrile

1-(4-(2-Hydroxyethyl)piperazin-1-yl)-2-phenylethan-1-one

1-(3-(Trifluoromethoxy)benzyl)piperazine

(2S,6S)-2,6-Dimethylpiperazine

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

1-(2,5-Dichlorobenzenesulfonyl)piperazine

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

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

N-methyl-4-(piperazin-1-yl)picolinamide

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