Piperazine e Impurezas

3-(4-((Benzyloxy)carbonyl)piperazin-1-yl)propanoic acid

1-((2,5-Dibromophenyl)sulfonyl)piperazine

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

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

2-chloro-6-(piperazin-1-yl)-7H-purine

((2R,5S)-5-Methylpiperazin-2-yl)methanol

tert-Butyl (S)-2-(2-methoxyethyl)piperazine-1-carboxylate

2-(4-Propylpiperazin-1-yl)benzaldehyde

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

(2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)pyridin-3-yl)boronic acid

1-(4-(4-Acetylpiperazin-1-yl)phenyl)guanidine

1-(4-Benzyloxy-phenyl)-piperazine dihydrochloride

3-(4-(Tert-butoxycarbonyl)piperazin-1-yl)-2-phenylpropanoic acid

1-(4-Benzylpiperazin-1-yl)propan-1-one

1-(4-(Azetidin-3-yl)piperazin-1-yl)-2-methoxyethan-1-one

(4-Cyclohexylpiperazin-1-yl)(4-nitrophenyl)methanone

n-(2-Bromophenyl)-2-(4-phenylpiperazin-1-yl)acetamide

1-MORPHOLIN-4-YL-3-PIPERAZIN-1-YL-PROPAN-1-ONE 2HCL

1-(4-Fluorobenzyl)-2-(piperazin-1-yl)-1H-benzo[d]imidazole

(4-(2-Aminoethyl)piperazin-1-yl)(3-methoxy-1-methyl-1h-pyrazol-4-yl)methanone

1-(3-(Piperazin-1-yl)azetidin-1-yl)butan-1-one

2-Methyl-6-(piperazin-1-yl)nicotinaldehyde

2-(4-(2-Methoxyphenyl)piperazin-1-yl)-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde

4-(4-Benzoylpiperazin-1-yl)aniline

3-Methyl-1-(thiophene-2-sulfonyl)-piperazine hydrochloride

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

2-(3-Aminophenyl)-1-(4-methylpiperazin-1-yl)ethan-1-one

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

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

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

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

(S)-1-Cyclohexyl-2-methyl-piperazine dihydrochloride

1-{2-[(4-phenylpiperazin-1-yl)methyl]phenyl}methanamine

1-[3-(piperazine-1-sulfonyl)phenyl]ethan-1-one hydrochloride

1-((4-Chlorophenyl)sulfonyl)-4-(pyridin-2-yl)piperazine

di-tert-Butyl 2-(2-hydroxyethyl)piperazine-1,4-dicarboxylate

(3-(2,6-Dichlorophenyl)-5-methylisoxazol-4-yl)(4-(pyridin-2-yl)piperazin-1-yl)methanone

(4-Benzylpiperazin-1-yl)(1h-indol-2-yl)methanone

Ethyl 4-(3-methylpiperazin-1-yl)-3-nitrobenzoatehydrochloride

1-Isopropyl-4-((4-nitrophenyl)sulfonyl)piperazine

2-methyl-1-(pentan-3-yl)piperazine

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

1-(1-Methyl-1h-pyrazol-4-yl)piperazine

2-(4-((4-Bromophenyl)sulfonyl)piperazin-1-yl)acetohydrazide

1-Pyridin-4-yl-4-trityl-piperazine

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

4-(4-Methylpiperazin-1-yl)aniline dihydrochloride

Ethyl 4-(benzylcarbamothioyl)piperazine-1-carboxylate

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

1-ethylpiperazin-2-one

5-Oxo-5-(3-oxo-2-(2-oxo-2-(3-phenylpropoxy)ethyl)piperazin-1-yl)pentanoic acid

tert-butyl 4-{[(3aR,5R,6S,6aR)-6-hydroxy-2,2-dimethyl-tetrahydro-2H-furo[2,3-d][1,3]dioxol-5-yl]methyl}piperazine-1-carboxylate

N-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-(4-phenylpiperazin-1-yl)acetamide

1-[3-(4-methoxyphenyl)propyl]piperazine

4-(4-Phenylpiperazin-1-yl)butan-2-amine

N-(3,5-dimethylphenyl)-2-piperazin-1-ylacetamide dihydrochloride

1-(2,2-Dimethyl-[1,3]dioxolan-4-ylmethyl)-piperazine

Ethyl (4-methyl-1-piperazinyl)acetate

1-(6-bromo-2-pyridinyl)piperazine hydrochloride

1-((2-Chloropyridin-3-yl)methyl)-4-isopropylpiperazine

(2-Chloro-pyridin-3-yl)-piperazin-1-yl-methanone hydrochloride

4-(Pyridin-2-yl)-N-(p-tolyl)piperazine-1-carboxamide

2-ethyl-1-methylpiperazine

1-[(2-methylpiperidin-1-yl)sulfonyl]piperazine

2-(2,6-Dimethylpiperazin-1-yl)acetonitrile

Tert-butyl 4-(3-amino-1,2,4-thiadiazol-5-yl)piperazine-1-carboxylate

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

1-Benzylpiperazine-2,5-dione

2-Fluoro-4-(4-methyl-1-piperazinylcarbonyl)benzeneboronic acid

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

1-CYCLOPROPYL-6-FLUORO-7-(4-METHYL-PIPERAZIN-1-YL)-4-OXO-1,4-DIHYDRO-QUINOLINE-3-CARBOXYLIC ACID

4-Methyl-2-phenylpiperazine-1-sulfonamide

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

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

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

3-Methyl-1-(4-phenylpiperazine-1-carbonyl)-1h-imidazol-3-ium iodide

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

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

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

N-(3,4-difluorophenyl)-2-(4-(pyridin-2-yl)piperazin-1-yl)acetamide

3-(2-Chlorophenyl)piperazin-2-one

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

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

2-Chloro-1-(4-phenylpiperazin-1-yl)propan-1-one

1-(5-Methyl-2-pyridinyl)piperazine

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

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

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

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

3-Isobutyl-1-methylpiperazine

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

(4-(3-(4-Methylpiperazin-1-yl)propoxy)phenyl)boronic acid

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

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