Piperazine e Impurezas

1-(4-Chloro-benzyl)-piperazine-2-carboxylic acid hydrochloride

5-bromo-3-(3-phenylpiperazin-1-yl)pyrazin-2-amine

1-(Piperazin-1-yl)cyclohexane-1-carboxylic acid

4-(Benzo[d][1,3]dioxol-5-ylmethyl)-N-(3,4-dichlorophenyl)piperazine-1-carboxamide

5-((4-Methylpiperazin-1-yl)methyl)thiazol-2-amine

ethyl (2E)-(3-oxopiperazin-2-ylidene)acetate

n-(4-Methoxyphenyl)piperazine-1-carboxamide hydrochloride

1-((2-Methyl-2,3-dihydrobenzofuran-5-yl)methyl)piperazine

2-Chloro-1-[4-(2-fluoro-benzoyl)-piperazin-1-yl]-ethanone

1-(2-Methoxyphenyl)-4-(5-nitropyridin-2-yl)piperazine

tert-Butyl 4-(6-aminopyridin-2-yl)piperazine-1-carboxylate

1-methyl-4-(3-piperidinylmethyl)piperazine trihydrochloride

2-iodo-6-(4-methylpiperazin-1-yl)benzoic acid

3-chloro-2-(4-ethylpiperazin-1-yl)aniline

(S)-Tert-butyl 4-(4-bromobenzoyl)-3-(4-chlorophenyl)piperazine-1-carboxylate

2-methyl-2-(4-methyl-1-piperazinyl)-1-propanamine

4-Methylpiperazine-1-carboxamide hydrochloride

1-(Chroman-3-ylmethyl)piperazine

4-Benzhydryl-N-phenylpiperazine-1-carboxamide

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