1-[(4-nitrophenyl)methyl]-4-phenylpiperazine

(S)-4-(4-Phenyl-piperazin-1-yl)-butane-1,3-diamine

6-<2-(4-phenyl-1-piperazinyl)ethyl>-5,6,7,8-tetrahydro-1,6-naphthyridine

(S)-3-Dibenzylamino-4-(4-phenyl-piperazin-1-yl)-butyronitrile

methyl <1-phenyl-3-(4-phenylpiperazino)>propyl-1-sulfonate