1-(benzenesulfonyl)-4-phenylpiperazine

2-[2-(4-phenylpiperazin-1-yl)ethyl]isoindole-1,3-dione

trans-4-(4-Phenyl-1-piperazinyl)cyclohexanamine

cis-4-(4-Phenyl-1-piperazinyl)cyclohexanamine

(E)-3-(4-chlorophenyl)-2-methyl-1-(4-phenylpiperazin-1-yl)prop-2-en-1-one