Piperazine e Impurezze

1-[4-chloro-3-(trifluoromethyl)benzenesulfonyl]piperazine

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

3-methyl-1-(4-methylphenyl)piperazine dihydrochloride hydrate

1-[4-(Benzothiazol-2-ylsulfanyl)-piperazin-1-yl]-propan-2-ol

1-Benzyl-3-(o-tolyl)piperazine

1-(3-(Trifluoromethoxy)phenyl)piperazin-2-one

tert-Butyl 4-(4-amino-3-methoxyphenyl)piperazine-1-carboxylate

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

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

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

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

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

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

1-((2,3-Dichlorophenyl)sulfonyl)piperazine hydrochloride

4-(4-Ethyl-piperazin-1-yl)-phenol

1-(4,5,6,7-Tetrahydro-1-benzothiophen-2-ylmethyl)piperazine

N-(4-(5-chloro-2-methylphenyl)piperazin-1-yl)-N-(4-fluorophenyl)formamide

2-[4-(methylamino)piperidin-1-yl]-1-(4-methylpiperazin-1-yl)ethan-1-one

2-{4-[(4-bromo-2-fluorophenyl)methyl]piperazin-1-yl}acetic acid dihydrochloride

1-Cinnamyl-4-(4-(trifluoromethyl)benzyl)piperazine

(4-Aminophenyl)(4-(2-fluorophenyl)piperazin-1-yl)methanone

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

2-[4-(Methylsulfonyl)piperazin-1-yl]aniline

2-(4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-yl)piperazin-1-yl)ethanamine

1-[(1-methyl-1h-pyrazol-4-yl)sulfonyl]piperazine hydrochloride

3-(3,5-Dimethylisoxazol-4-yl)-1-(piperazin-1-yl)propan-1-one

5-(4-chlorophenyl)-2-{[(2-piperazin-1-ylethyl)amino]methylene}cyclohexane-1,3-dione

N-ETHYL-2-(1-PIPERAZINYL) NICOTINAMIDE

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

1-[2-(4-Fluorophenoxy)ethyl]piperazine

tert-butyl 4-(2-cyano-6-nitrophenyl)piperazine-1-carboxylate

tert-Butyl (S)-2-(2-methoxy-2-oxoethyl)piperazine-1-carboxylate hydrochloride

5-(Furan-2-yl)-2-(piperazin-1-yl)-6h-1,3,4-thiadiazine dihydrochloride

1-(Piperazin-1-yl)-2-(pyridin-4-yl)ethan-1-one

2-Chloro-1-(4-(2-chlorophenyl)piperazin-1-yl)ethan-1-one

1-(4-Chloro-benzyl)-3-methyl-piperazine hydrochloride

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

1-Benzyl-3-(3-bromophenyl)piperazine

4-(5-Methyl-pyridin-2-yl)-piperazine-1-carboxylic acid tert-butyl ester

3-(4-Benzylpiperazin-1-yl)benzaldehyde

3-[(4-Ethylpiperazino)methyl]benzaldehyde

2-[4-(1,3-benzodioxol-5-ylmethyl)piperazin-1-yl]-5-nitrobenzonitrile

tert-butyl 4-[2-cyano-5-(trifluoromethyl)phenyl]piperazine-1-carboxylate

3-Chloro-6-(4-phenylpiperazin-1-yl)pyridazine

Tert-butyl 4-(3-cyano-6-cyclopropylpyridin-2-yl)piperazine-1-carboxylate

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

1-(4-BROMOPHENYL)PIPERAZIN-2-ONE HCL

4-Phenyl-N-(o-tolyl)piperazine-1-carboxamide

2-(4-((4-Chlorophenyl)sulfonyl)piperazin-1-yl)benzo[d]thiazole

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

5-Bromo-2-piperazin-1-ylpyrimidine;hydrochloride

4-Ethyl-1-piperazinesulfonyl chloride hydrochloride

1-[3-(pyridin-3-yl)-1H-pyrazol-5-yl]piperazine

cyclopropyl 2-(4-methylpiperazinomethyl)phenyl ketone

1-(1-(Methylsulfonyl)azetidin-3-yl)piperazine

ethyl 4-[3-(4-methylpiperazinomethyl)phenyl]-4-oxobutyrate

n-Cyclopropyl-2-oxo-2-(piperazin-1-yl)acetamide hydrochloride

1-(cyclopropylsulfonyl)piperazine hydrochloride

1-Phenylpiperazin-2-one

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

2-(Piperazin-1-yl)-1-(thiophen-2-yl)ethan-1-ol

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

4-(Piperazin-1-yl)pyridine-2-carbonitrile

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

{2-[4-(2-amino-4-chlorophenyl)piperazin-1-yl]-5-chlorophenyl}amine

tert-Butyl 2-(2-hydroxyethyl)piperazine-1-carboxylate hydrochloride

1-Boc-4-Methyl-4-piperazin-1-yl-piperidine

6-Hydroxy-4-((4-methylpiperazin-1-yl)methyl)-7-phenyl-2H-chromen-2-one

(R)-6-Oxopiperazine-2-carboxylic acid

2-[(2R)-2-Methylpiperazin-1-yl]acetic acid

1-(2-Methoxyethyl)-3,3-dimethylpiperazine

tert-Butyl 4-[(4-iodophenyl)carbonyl]piperazine-1-carboxylate

[5-fluoro-2-(4-methylpiperazin-1-yl)phenyl]methanamine

Cyclopropyl-[6-(3-methyl-piperazin-1-yl)-pyrimidin-4-yl]-amine hydrochloride

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

9-ethyl-3-(1-piperazinylmethyl)-9H-carbazole dihydrochloride

5-Nitro-2-(4-phenylpiperazin-1-yl)benzaldehyde

1-(2-Methoxyethyl)-2-propylpiperazine

n-[2-(piperazin-1-yl)ethyl]cyclopentanecarboxamide

2-(4-(Methylsulfonyl)piperazin-1-yl)thiazol-4-amine hydrochloride

n-[4-(4-propylpiperazin-1-yl)pentyl]cyclopropanamine

2-Methyl-1-[4-(3-methylphenyl)piperazin-1-yl]propan-2-amine

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

(3-(1-(4-Ethylpiperazin-1-yl)ethyl)phenyl)boronic acid

[4-(4-methylpiperazin-1-yl)benzylidene]malononitrile

1-Ethyl-4-((4-fluorophenyl)sulfonyl)piperazine

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

4-(2-furoyl)piperazine-1-carboximidamide sulfate

2-(4-cyclohexylpiperazin-1-yl)-7-(4-fluorophenyl)-1H,4H-thieno[3,2-d]pyrimidin-4-one

3-(Piperazin-1-yl)propanoic acid hydrochloride

{3-Chloro-4-[4-(4-propoxybenzoyl)piperazin-1-yl]phenyl}amine

Benzyl 4-(4-(chlorosulfonyl)phenyl)piperazine-1-carboxylate

Ethyl 2-oxo-2-(piperazin-1-yl)acetate hydrochloride

(3-((4-(2-Chlorophenyl)piperazin-1-yl)sulfonyl)thiophen-2-yl)(3,5-dimethyl-1H-pyrazol-1-yl)methanone

3-Chloro-4-(4-pivaloylpiperazin-1-yl)aniline

N-(4-ethoxyphenyl)-2-(4-(4-fluorophenyl)piperazin-1-yl)acetamide

Tert-butyl (R)-4-benzyl-2-(hydroxymethyl)piperazine-1-carboxylate