5-[4-[4-chloro-3-(trifluoromethyl)phenyl]piperazin-1-yl]pyrrolidin-2-one

5-[4-(3,4,5-trimethoxyphenyl)piperazin-1-yl]pyrrolidin-2-one

5-[4-(2-nitrophenyl)piperazin-1-yl]pyrrolidin-2-one

5-(4-phenylpiperazin-1-yl)pyrrolidin-2-one

5,7-dichloro-3-methylimidazo[1,5-c]pyrimidine