Piperazine e Impurezze

(4-Amino-phenyl)-(4-ethyl-piperazin-1-yl)-methanone

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-(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

1-(3-Biphenylyl)piperazine

2-Isopropyl-1-propylpiperazine

4-BOC-1-PIPERAZINECARBONYL CHLORIDE

3-(3,4-dimethoxyphenyl)-6-(piperazin-1-yl)pyridazine

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

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

1-n-Decylpiperazine

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

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

(R)-(3-METHYLPIPERAZIN-1-YL)(PHENYL)METHANONE

1-(3-Chlorobenzoyl)-piperazine

1-(3-cyclopropyl-1,2,4-thiadiazol-5-yl)piperazine

1-(4-Bromobenzoyl)-4-phenylpiperazine

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

4-((9H-Fluoren-9-yl)methyl) 1-(tert-butyl) 2-hydroxypiperazine-1,4-dicarboxylate

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

2-(piperazin-1-yl)pyridin-3-amine

5-Methoxy-4-(piperazin-1-yl)-2-(trifluoromethyl)pyrimidine

2-Amino-5-bromo-3-piperazin-1-ylpyrazine

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

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

4-Oxo-4-{4-[4-(propan-2-yl)benzenesulfonyl]piperazin-1-yl}butanoic acid

1-(4-methoxybenzyl)-2-piperazinone hydrochloride

2-Chloro-1-(4-phenylmethanesulfonylpiperazin-1-yl)ethan-1-one

Ethyl2-[(2s)-3,6-dioxopiperazin-2-yl]acetate

methyl 1-piperazinylacetate dihydrochloride

methyl 2,3,5-trifluoro-4-(4-methylpiperazin-1-yl)benzoate

1-((3-Bromo-4-methoxyphenyl)sulfonyl)-4-methylpiperazine

4-Methanesulfonylpiperazine-1-carbaldehyde

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

2,3-dimethylpiperazine

3,3-dimethyl-1-(2-methylpiperazin-1-yl)butan-1-one

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

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

Prazosin hydrochloride

1-[4-(Benzyloxy)phenyl]piperazine

1-(4-methylbenzyl)piperazin-2-one

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

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

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

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

4-(4-Ethylpiperazin-1-yl)-3-fluoroaniline

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

(R)-2-(Piperazin-2-yl)ethan-1-oldihydrochloride

(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

Ethyl 4-Methylpiperazine-2-carboxylate

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

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

1-(Toluene-4-sulfonyl)-piperazine

tert-Butyl 4-benzoylpiperazine-1-carboxylate

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

1-Ethyl-3-isopropylpiperazine

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

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

1-Phenylpiperazine hydrobromide

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

4-Amino-6-(4-methyl-1-piperazinyl)pyrimidine

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

4-Methyl-piperazine-1-carboxamidine hemisulfate

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

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

(S)-9-Fluoro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid hydrochloride

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

1-methyl-4-(1-piperazinylsulfonyl)piperazine

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

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

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

1-(2-propyn-1-yl)piperazine dihydrochloride

TERT-BUTYL 4-(3-CYANOBENZYL)PIPERAZINE-1-CARBOXYLATE

1-Cyclopentyl-2-ethylpiperazine

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

2-piperazin-1-yl-N-propylacetamide

(S)-(1,4-DIMETHYLPIPERAZIN-2-YL)METHANOL

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

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

2,2-Dimethylpiperazine dihydrochloride

1-(3,4-Difluorobenzoyl)piperazine hydrochloride

1-(4-chloro-1,2,5-thiadiazol-3-yl)-4-methylpiperazine hydrochloride