1-(3,4,5,6-tetrahydro-2H-azepin-7-yl)pyrrolidin-2-one

1-乙酰-2-吡咯烷酮

3-(5-氧代-吡咯烷-2-基)-丙酸

苯并噻吩

1-(叔丁氧基羰基)-2-吡咯烷酮