Piperazine e Impurezas

1-(2-Nitrobenzyl)piperazine dihydrochloride

4-(6-Methoxy-2-methylsulfanyl-pyrimidin-4-yl)-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

2-(4-(3-Chlorophenyl)piperazin-1-yl)-7-(p-tolyl)thieno[3,2-d]pyrimidin-4(1H)-one

4-Carboxymethyl-3-methyl-piperazine-1-carboxylic acid benzyl ester

ethyl 8-[2-(4-methylpiperazinomethyl)phenyl]-8-oxooctanoate

2-(Piperazin-1-yl)pentan-1-ol dihydrochloride

tert-butyl 4-(2-cyano-3-nitrophenyl)piperazine-1-carboxylate

2-chloro-5-fluoro-4-(4-methylpiperazin-1-yl)pyrimidine

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

tert-Butyl 4-(trifluoromethyl)piperazine-1-carboxylate

n-(3-Methoxypropyl)-2-(piperazin-1-yl)propanamide

4-(2-Chloro-acetyl)-piperazine-1-carboxylic acid ethyl ester

2-(4-(2-Methoxyphenyl)piperazin-1-yl)-9-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carbaldehyde

Tert-butyl 4-(2-(4-bromophenoxy)acetyl)piperazine-1-carboxylate

3-Methyl-4-(2-methylsulfanyl-pyrimidin-4-yl)-piperazine-1-carboxylic acid tert-butyl ester

1-(4-Chloro-pyridin-2-yl)-piperazine dihydrochloride

2-(1-isobutyl-2-piperazinyl)ethanol dihydrochloride

2-{4-[3-(trifluoromethyl)phenyl]piperazin-1-yl}ethanamine

4-(2-Hydroxy-ethyl)-3-methyl-piperazine-1-carboxylic acid tert-butyl ester

Piperazine-1-carboxylic acid (2-chloro-phenyl)-amide