2-(4-Benzyl-piperazin-1-yl)aniline

4-(4-Acetyl-piperazin-1-yl)-2-fluoroaniline

4-(4-Acetyl-piperazin-1-yl)-2-methylaniline

4-(4-Acetyl-piperazin-1-yl)-2-chloroaniline

4-(4-Boc-piperazin-1-yl)-3-chloroaniline

4-(4-Boc-piperazin-1-yl)-3-fluoroaniline

4-(4-Aminophenyl)piperazine-1-carboxylic acid tert-butyl ester

4-(4-Aminobenzyl)piperazine-1-carboxylic acid tert-butyl ester

2-(4-BENZYL-PIPERAZIN-1-YL)-BENZOIC ACID

2-(4-Benzylpiperazin-1-ylmethyl)benzoic acid

4-[4-(tert-Butoxycarbonyl)piperazino]benzoic acid

4-(PIPERAZIN-1-YLMETHYL)BENZOIC ACID