1-(溴乙酰基)-2-吡咯烷酮

1-(3-氯吡嗪-2-基)吡咯烷-2-酮

1-[2-(dimethylamino)ethyl]pyrrolidin-2-one

1-[[chloro(dimethyl)silyl]methyl]pyrrolidin-2-one

1-(trimethylsilylmethyl)pyrrolidin-2-one