(2,4-dioxopyrrolidin-1-yl)acetamide hydrochloride

4-羟基-2-氧代-1-吡咯烷乙酸乙酯

ethyl (2,5-dihydro-4-methoxy-2-oxo-1H-pyrrol-1-yl)acetate

(1,5-dihydro-4-methoxy-2-oxo-2H-pyrrol-1-yl)acetamide

(4-乙氧基-2-氧代-2,5-二氢吡咯-1-基)-乙酸