Piperazine e Impurezas

2-(4-Methylpiperazin-1-yl)ethanethioamide

1-(2-Chloro-6-fluoro-benzyl)-piperazine-2-carboxylic acid hydrochloride

n-(3,5-Bis(trifluoromethyl)phenyl)-2-(4-(pyrimidin-2-yl)piperazin-1-yl)acetamide

1-Cyclopropyl-6-fluoro-4-oxo-7-[4-(2-oxo-propyl)-piperazin-1-yl]-1,4-dihydro-quinoline-3-carboxylic acid

tert-butyl 4-(2-cyano-5-nitrophenyl)piperazine-1-carboxylate

(R)-2-Trifluoromethyl-piperazine dihydrochloride

1-(Furan-2-yl)-2-(piperazin-1-yl)ethan-1-ol

5-(4-Methylpiperazin-1-yl)-5-oxopentanoic acid

4-{[4-(4-fluorophenyl)piperazin-1-yl]methyl}-1,3-thiazol-2-amine

1-Acetyl-4-(2-hydroxy-ethyl)-piperazine-2-carboxylic acid methyl ester

Tert-butyl (S)-2-butylpiperazine-1-carboxylate hydrochloride

1-Benzyl-3-(2,2,2-trifluoro-ethyl)-piperazine

1-(2-Methoxyphenyl)-4-((2,4,5-trichlorophenyl)sulfonyl)piperazine

4-(4-Chlorophenyl)piperazin-1-amine

1-(3,4-Dichlorophenyl)-4-(1-phenyl-1h-tetrazol-5-yl)piperazine

3-bromo-4'-(4-methylpiperazinomethyl) benzophenone

(3-Chlorobenzo[b]thiophen-2-yl)(4-(4-fluorophenyl)piperazin-1-yl)methanone

ethyl 4-(2-cyano-4-nitrophenyl)piperazine-1-carboxylate

2-(4-(Piperazin-1-yl)phenyl)benzo[d]oxazole dihydrochloride

5-methyl-2-piperazinone