N-[(6-chloropyridin-3-yl)methyl]-N-(2,2-difluoroethyl)-4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxamide

4-甲氧基-呋喃酮

4-羟基-2(5H)-呋喃酮

methyl 4-hydroxy-2-oxo-2,5-dihydrofuran-3-carboxylate

4-dimethylamino-2(5H)-furanone