Piperazine e Impurezas

4-(4-Chloro-5-methyl-pyrimidin-2-yl)-piperazine-1,3-dicarboxylic acid 1-tert-butyl ester

2-{4-[(2-chlorophenyl)methyl]piperazin-1-yl}acetohydrazide

TERT-BUTYL 4-(4-CHLOROPHENYL)-3-OXOPIPERAZINE-1-CARBOXYLATE

Piperazin-1-yl(piperidin-4-yl)methanone

tert-Butyl 4-(3-cyano-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carboxylate

4-Bromo-2-(piperazin-1-yl)benzoic acid

4-Chloro-6-(4-(2-fluorophenyl)piperazin-1-yl)pyrimidine

1-(Methylsulfonyl)-4-(pyridin-2-yl)piperazine

1-(3-Bromobenzoyl)-4-(1,3-thiazol-2-yl)piperazine

(4-{[4-(2-methoxyphenyl)piperazin-1-yl]sulfonyl}phenyl)amine

4-(Piperazine-1-sulfonyl)-aniline

1-(((4-(2-Methoxyphenyl)piperazin-1-yl)sulfonyl)methyl)-7,7-dimethylbicyclo[2.2.1]heptan-2-one

(R)-tert-Butyl 2-(2-hydroxyethyl)piperazine-1-carboxylate hydrochloride

4-Oxo-4-{4-[4-(propan-2-yl)benzenesulfonyl]piperazin-1-yl}butanoic acid

1-(4-methoxybenzyl)-2-piperazinone hydrochloride

2-Chloro-1-(4-phenylmethanesulfonylpiperazin-1-yl)ethan-1-one

4-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)aniline hydrochloride

N-(4-fluorophenyl)-2-(4-phenylpiperazin-1-yl)acetamide

Ethyl 4-(3,3,3-trifluoro-2-hydroxypropyl)piperazine-1-carboxylate

4-Carbamoyl-piperazine-1-carboxylic acidtert-butyl ester