Piperazine e Impurezas

(4-Bromo-1h-pyrrol-2-yl)(piperazin-1-yl)methanone

2-[4-(2-chloroacetyl)piperazin-1-yl]-2-(thiophen-2-yl)acetonitrile

1-[(2-hydrazinylpyridin-3-yl)sulfonyl]-4-methylpiperazine

1-(3-methylbutanoyl)piperazine hydrochloride

5-Fluoro-2-(piperazin-1-yl)benzoic acid

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

1-Methyl-4-(toluene-4-sulfonyl)-piperazine; hydrochloride

tert-Butyl 3-(3-chlorophenyl)piperazine-1-carboxylate

1-[Phenyl(pyridin-2-yl)methyl]piperazine

2-(1-PIPERAZINYL)-N-(N-PROPYL) NICOTINAMIDE

(4-Isobutyrylpiperazin-1-yl)aniline

1-Phenyl-4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)piperazine

1-{3-[5-(chloromethyl)-1,2,4-oxadiazol-3-yl]benzoyl}-4-ethylpiperazine

1-((Tetrahydrothiophen-3-yl)methyl)piperazine

tert-Butyl (3S,5R)-3,4,5-trimethylpiperazine-1-carboxylate

1-Methylpiperazine-2-carbonitrile

N-(benzo[d][1,3]dioxol-5-yl)-4-(furan-2-carbonyl)piperazine-1-carboxamide

1-(2-Methoxyphenyl)-4-(naphthalen-2-ylsulfonyl)piperazine

1-Ethyl-2,5-dimethylpiperazine

2-Chloro-3-(piperazin-1-yl)quinoxaline hydrochloride