Piperazine e Impurezas

4-Methanesulfonylpiperazine-1-carbaldehyde

4-Methoxy-2-methylsulfanyl-6-piperazin-1-yl-pyrimidine hydrochloride

2,3-dimethylpiperazine

1-((Trifluoromethyl)sulfonyl)piperazine

1-(4-Methoxyphenyl)-4-(4-phenylpiperazin-1-yl)butane-1,4-dione

4-[2-(4-Methyl-piperazin-1-yl)-ethoxy]-benzoic acid

Tert-butyl 4-(pyridin-4-yl)piperazine-1-carboxylate

1-[(4-Ethylsulfonyl-2-fluoro)phenyl]-3-methylpiperazine

3-Methylenepiperazine-2,5-dione

Tert-butyl 4-(3-(1H-pyrazol-3-yl)phenethyl)piperazine-1-carboxylate

tert-Butyl 4-(7-bromo-6-chloro-8-fluoroquinazolin-4-yl)piperazine-1-carboxylate

3-(Piperazin-1-yl)isoquinoline

1-[4-(Benzyloxy)phenyl]piperazine

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

5-Chloro-2-(piperazin-1-yl)benzo[d]oxazole

1-[3-(3,5-dimethyl-1H-pyrazol-1-yl)-4-nitrophenyl]piperazine

2-(1-(Naphthalen-1-ylmethyl)-3-oxopiperazin-2-yl)acetic acid

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

4-(2-Amino-4-bromophenyl)-1-methylpiperazin-2-one

1-(4-methyl-thiaZol-2-yl)-piperazine dihydrochloride

Tert-butyl 4-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)piperazine-1-carboxylate

1-Piperazinecarboxylic acid, 4-(cyclopropylmethyl)-, 1,1-dimethylethyl ester

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

Tert-butyl (R)-3-(4-fluorophenyl)piperazine-1-carboxylate

(2,6-Difluorophenyl)(4-(2-fluorophenyl)piperazin-1-yl)methanone

Tert-butyl 4-(1H-indole-2-carbonyl)piperazine-1-carboxylate

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

2-(4-Methylpiperazin-1-yl)pyridine-4-carboxylic acid

Ethyl 4-(3-formyl-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl)piperazine-1-carboxylate

2-[4-(2-hydroxyethyl)piperazin-1-yl]-5-nitrobenzonitrile

1-(5-Nitropyridin-2-yl)-4-phenylpiperazine

tert-Butyl 4-benzoylpiperazine-1-carboxylate

1-Benzyl 4-tert-butyl 2-methylpiperazine-1,4-dicarboxylate

1-Ethyl-3-isopropylpiperazine

6-Methoxy-2-methyl-4-(piperazin-1-yl)quinoline hydrochloride

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

6-(4-(2-Hydroxyethyl)piperazin-1-yl)nicotinonitrile

N-(4-chlorophenyl)-4-(pyridin-2-yl)piperazine-1-carbothioamide

8-{[4-(4-fluorophenyl)piperazin-1-yl]sulfonyl}-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one

methyl (S)-3-amino-6-chloro-5-(3-ethylpiperazin-1-yl)pyrazine-2-carboxylate

2-(4-Ethylpiperazin-1-yl)-5-(piperidin-1-ylsulfonyl)aniline

Tert-butyl 3-[4-(methoxycarbonyl)phenyl]piperazine-1-carboxylate

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

1-Phenylpiperazine hydrobromide

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

2-(4-(3-Chlorophenyl)piperazin-1-yl)-1-phenylethan-1-ol

Phenyl(4-piperazin-1-ylphenyl)methanone

1-((4-(Tert-butyl)phenyl)sulfonyl)-4-(2-methoxyphenyl)piperazine

3-(2-bromophenyl)-1-methylpiperazine-2,5-dione

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

4-(2-Phenoxyacetyl)piperazin-2-one

(3S)-1-Benzyl-3-propylpiperazine

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

4-(Cyclopropanecarbonyl)piperazin-2-one

1-(4-methoxyphenyl)-3-methylpiperazine dihydrochloride

7-(4-chlorophenyl)-2-[4-(2,5-dimethylphenyl)piperazin-1-yl]-1H,4H-thieno[3,2-d]pyrimidin-4-one

2-(4-(tert-Butoxycarbonyl)piperazin-1-yl)-2-(furan-2-yl)acetic acid

1-(4-Methoxypyridin-2-yl)piperazine

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

(3-(Piperazine-1-carbonyl)phenyl)boronic acid

4-(Piperazin-1-ylmethyl)benzene-1,2-diol

1-({1-[(3,5-dimethylisoxazol-4-yl)sulfonyl]piperidin-4-yl}acetyl)piperazine hydrochloride

1-(Cyclopropylmethyl)-2-ethylpiperazine

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

2-Phenyl-5-(piperazin-1-yl)-1,3,4-oxadiazole hydrochloride

4-(3-Aminopyridin-2-yl)piperazin-2-one

1-Cyclopentyl-2-ethylpiperazine

2-piperazin-1-yl-N-propylacetamide

4-(Furan-2-yl)-2-(piperazin-1-ylmethyl)thiazole

3-Benzyl-7-(piperazin-1-yl)-3h-[1,2,3]triazolo[4,5-d]pyrimidine

1-(2-Methoxyphenyl)-3-methylpiperazine

1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-4-(4-nitrophenyl)piperazine

7-piperazin-1-yl[1,2,4]triazolo[4,3-a]pyrimidine

3-(2-Methoxyphenyl)-1-methylpiperazine-2,5-dione

3,5-Difluoro-4-(4-methylpiperazin-1-yl)aniline

1-Methyl-3-(naphthalen-2-yl)piperazine-2,5-dione

Benzyl 4-(1-(tert-butoxycarbonyl)piperidine-4-carbonyl)piperazine-1-carboxylate

3-(4-Acetylpiperazin-1-yl)benzoic acid

1-(4-(4-Amino-2-(trifluoromethyl)phenyl)piperazin-1-yl)propan-1-one

(6-Chloropyridin-3-yl)(piperazin-1-yl)methanone

1-((2,4-Dichlorophenyl)sulfonyl)-4-(2-methoxyphenyl)piperazine

2-(4-Acetylpiperazin-1-yl)propanoic acid

4-{4-[3-(trifluoromethyl)phenyl]piperazin-1-yl}butan-1-ol hydrochloride

2,2-Dimethylpiperazine dihydrochloride

1-(3,4-Difluorobenzoyl)piperazine hydrochloride

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

4-(4-methoxyphenyl)-6-(piperazin-1-yl)pyrimidine

n,n-Dimethyl-4-(propan-2-yl)piperazine-1-carboxamide

tert-Butyl 4-(2-bromo-4-nitrophenyl)piperazine-1-carboxylate

Methyl 2-methyl-2-(piperazin-1-yl)propanoate

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

N,N-dimethyl-4-(4-nitrophenyl)piperazine-1-sulfonamide

1-(2-Bromoethyl)piperazine hydrobromide

2,5-difluoro-4-(4-methylpiperazin-1-yl)benzoic acid

2-((2R,6S)-2,6-Dimethylpiperazin-1-yl)acetamide

5-(Piperazin-1-ylmethyl)oxazole

2-(3-Methylphenyl)-2-(piperazin-1-yl)ethan-1-ol

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

1-((4h-1,2,4-Triazol-3-yl)methyl)piperazine dihydrochloride

4-(4-Methanesulfonylpiperazine-1-carbonyl)phenol