Piperazine e Impurezas

1-(4-Nitrophenyl)piperazin-2-one

n-(4-Nitrophenyl)-3-oxopiperazine-1-carboxamide

2'-(4-methylpiperazinomethyl)-3,4,5-trifluorobenzophenone

(3S)-4-Boc-1-carboxymethyl-3-isobutyl-piperazin-2-one

(5-Amino-2-(4-methylpiperazin-1-yl)phenyl)methanol

6-bromo-2-(4-methylpiperazin-1-yl)pyridin-3-amine

3-(4-Fluorophenyl)-1-methylpiperazine-2,5-dione

(4-Fluorophenyl)(4-phenylpiperazin-1-yl)acetic acid

1-Methyl-4-(piperazine-1-carbonyl)piperazine dihydrochloride

3-(2,4-Difluorophenyl)piperazin-2-one

1-{[2-(Benzyloxy)phenyl]methyl}piperazine

1-(4-Bromo-2,6-dichlorobenzenesulfonyl)piperazine hydrochloride

5-(1,3-benzodioxol-5-yl)-2-piperazin-1-yl-6H-1,3,4-thiadiazine dihydrochloride

1-[5-(4-methylpiperazin-1-yl)thiophen-2-yl]ethan-1-one

4-(1-Pyrazin-2-yl-ethyl)-piperazine-1-carboxylic acid tert-butyl ester

1,2-Diisopropylpiperazine

tert-butyl 4-[2-cyano-4-(trifluoromethyl)phenyl]piperazine-1-carboxylate

2,5-dimethyl-3'-(4-methylpiperazinomethyl) benzophenone

4-(Piperazin-1-yl)furo[3,2-c]pyridine

6-Methyl-2-(piperazin-1-yl)pyrimidin-4(3h)-one dihydrochloride