Piperazine e Impurezas

1-[(5-methyl-2-furyl)methyl]piperazine

(3-Chloro-phenyl)-(4-piperazin-1-yl-phenyl)-methanone

4-(3-Chloro-5-trifluoromethyl-pyridin-2-ylmethyl)-piperazine-1-carbothioic acid (4-chloro-phenyl)-amide

(2-nitro-5-piperazin-1-ylphenyl)(tetrahydrofuran-2-ylmethyl)amine hydrochloride

1-(3,5-Dimethylpiperazin-1-yl)ethan-1-one

1-(2-Chloro-4-nitrophenyl)-3-methylpiperazine

1-[4-(2-Methoxy-ethoxy)-phenyl]-piperazine dihydrochloride

(2-(Dimethyl(4-(4-methylpiperazin-1-yl)phenyl)silyl)phenyl)methanol

4-(Azetidin-3-yl)-N-butylpiperazine-1-carboxamide

6-methyl-5-[(piperazin-1-yl)methyl]-1,2,3,4-tetrahydropyrimidine-2,4-dione dihydrochloride

2-Amino-1-[4-(3-chlorophenyl)piperazin-1-yl]ethan-1-one dihydrochloride

3-(4-(3-Methoxyphenyl)piperazin-1-yl)propanoic acid

5-(3,4-dimethoxyphenyl)-2-[(2-piperazin-1-ylethylamino)methylidene]cyclohexane-1,3-dione

Benzyl 4-(pyrrolidin-3-yl)piperazine-1-carboxylate

4-Amino-1-(4-phenylpiperazin-1-yl)butan-1-one dihydrochloride

N-(3,5-dimethylphenyl)-2-(4-phenylpiperazin-1-yl)acetamide

4-Methoxy-3-((4-(4-nitrophenyl)piperazin-1-yl)methyl)benzaldehyde

2-Chloro-1-(4-methyl-piperazin-1-yl)-ethanone

3-{4-[(4-ethylpiperazin-1-yl)sulfonyl]phenyl}propanoic acid

3-Benzyl-1-ethylpiperazine