Piperazine e Impurezas

3-Piperazin-1-ylmethyl-2-p-tolyl-imidazo[1,2-a]-pyridine

1-(4-Acetyl-2-methyl-piperazin-1-yl)-2-amino-ethanone

Ethyl 4-(2-chloropropanoyl)piperazine-1-carboxylate

1-(4-Methoxyphenyl)-4-(3-(piperidin-1-ylsulfonyl)pyridin-2-yl)piperazine

Methyl 2-(2-methyl-3-oxopiperazin-2-yl)acetate

Methyl 6-(piperazin-1-yl)pyridazine-3-carboxylate dihydrochloride

1-(2-(2-Methoxyphenoxy)ethyl)piperazine

2-Chloro-1-(4-{[4-(propan-2-yl)phenyl]methyl}piperazin-1-yl)ethan-1-one hydrochloride

1-(4-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)piperazin-1-yl)ethan-1-one

ethyl 4-(2-amino-6-chlorophenyl)piperazine-1-carboxylate

1-(4-Ethylbenzoyl)piperazine hydrochloride

1-Furan-2-ylmethyl-piperazine

1-[2-Nitro-4-(trifluoromethyl)phenyl]-3-methylpiperazine hydrochloride

4-(4-Difluoromethanesulfonylpiperazin-1-yl)aniline

4-Benzyl 1-(tert-butyl) (R)-2-isopropylpiperazine-1,4-dicarboxylate

2-(4-(Tert-butoxycarbonyl)piperazin-1-yl)but-3-enoic acid

1-(3-Methanesulfonylbenzoyl)piperazine hydrochloride

(2R,5R)-tert-Butyl 4-benzyl-5-(chloromethyl)-2-methylpiperazine-1-carboxylate

4-[2-(trifluoromethyl)benzoyl]piperazin-2-one

1-(2,2-Dimethylbutyl)piperazine