Piperazine e Impurezas

1-(3-Methyl-4-nitrophenyl)piperazine

4-(Methyl-piperazin-1-yl)-piperidin-3-yl-methanone dihydrochloride

ETHYL 2-(4-BENZYLPIPERAZIN-2-YL)ACETATE

N-[4-(4-Acetyl-piperazin-1-yl)-2-fluoro-benzyl]-3,5-dichloro-N-cyclobutyl-benzenesulfonamide

1-(3-Phenyl-1,2,4-thiadiazol-5-yl)piperazine

6-(piperazin-1-yl)pyrimidine-2,4(1H,3H)-dione

1-((4-Chlorophenyl)(phenyl)methyl)-4-(3-methylbenzyl)piperazine dihydrochloride

[(3,5-DICHLOROPHENYL)PHENYLMETHYL]PIPERAZINE

cyclopentyl 3-(4-methylpiperazinomethyl)phenyl ketone

5-Fluoro-2-(4-methylpiperazin-1-yl)benzoic acid

2-(Sec-butyl)-4-(4-(4-(4-hydroxyphenyl)piperazin-1-yl)phenyl)-2,4-dihydro-3H-1,2,4-triazol-3-one

4-(2,2-Diethoxyethyl)-piperazine-1-carboxylic acid tert-butyl ester

Tert-butyl 4-(4-(hydroxymethyl)benzyl)piperazine-1-carboxylate

2-methoxy-4'-(4-methylpiperazinomethyl) benzophenone

Piperazin-1-yl(quinoxalin-6-yl)methanone hydrochloride

3-(4-nitrophenyl)-6-(piperazin-1-yl)pyridazine

tert-Butyl piperazin-1-ylacetate

2-(4-METHYLPIPERAZIN-1-YL)-2-PHENYLACETIC ACID

tert-Butyl 2-amino-4-(4-methylpiperazin-1-yl)benzoate

1-Methyl-4-(4-((4-methyl-3-((4-(pyridin-3-yl)pyrimidin-2-yl)amino)phenyl)carbamoyl)benzyl)piperazine 1-oxide (Imatinib Impurity)