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

4-(PIPERAZIN-1-YLMETHYL)BENZOIC ACID

1-(2-CARBOXYPHENYL)-PIPERAZINE

1-Benzoyl-4-(2-aminoethyl)piperazine

N-Cbz-N,N-bis(2-bromoethyl)amine

N-Boc-N,N-Bis{2-[(methanesulfonyl)oxy]ethyl}amine

(-)-1-[(4-CHLOROPHENYL)PHENYLMETHYL]PIPERAZINE

5-M-TOLYL-2H-PYRAZOL-3-YLAMINE

5-(3-BROMO-PHENYL)-2H-PYRAZOL-3-YLAMINE

3-Amino-5-(2-fluorophenyl)-1H-pyrazole

5-Bromo-2-hydroxypyrimidine

5-Bromo-2-chloropyrimidine