7-氯-2,3-二氢吡咯并[2,1-b]喹唑啉-9(1h)-酮

1-(3-Nitrophenyl)pyrrolidin-2-one

2-氧代-1-吡咯烷乙酸乙酯

ethyl 3-(2-oxopyrrolidin-1-yl)propanoate

7-iodo-2,3-dihydro-1H-pyrrolo[2,1-b]quinazolin-9-one