Piperazine e Impurezas

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

1-[3-(piperazine-1-sulfonyl)phenyl]ethan-1-one hydrochloride

Piperazin-2-ylmethanol

1-((4-Chlorophenyl)sulfonyl)-4-(pyridin-2-yl)piperazine

(2-Chloro-pyridin-3-yl)-piperazin-1-yl-methanone hydrochloride

4-(Pyridin-2-yl)-N-(p-tolyl)piperazine-1-carboxamide

2-ethyl-1-methylpiperazine

di-tert-Butyl 2-(2-hydroxyethyl)piperazine-1,4-dicarboxylate

2-(4-(4-Chlorophenyl)piperazin-1-yl)-1-phenylethan-1-one

2,2,5-Trimethylpiperazine dihydrochloride

2-{[4-(benzenesulfonyl)piperazin-1-yl]methyl}-1,4-dihydroquinazolin-4-one

(3-(2,6-Dichlorophenyl)-5-methylisoxazol-4-yl)(4-(pyridin-2-yl)piperazin-1-yl)methanone

4-(3-Methoxy-quinoxalin-2-yl)-piperazine-1-carboxylic acid tert-butyl ester

7-Bromo-4-(piperazin-1-yl)quinoline

2-(4-Chlorophenyl)-2-(piperazin-1-yl)acetamide

(1-Benzylpiperazin-2-yl)methanol

N-allyl-2-nitro-5-piperazin-1-ylaniline hydrochloride

tert-butyl 4-{[(3aR,5R,6S,6aR)-6-hydroxy-2,2-dimethyl-tetrahydro-2H-furo[2,3-d][1,3]dioxol-5-yl]methyl}piperazine-1-carboxylate

Tert-butyl 4-(2-chloroethyl)piperazine-1-carboxylate hydrochloride

6-(4-Benzylpiperazin-1-yl)nicotinic acid