4-甲氧基-呋喃酮

3-phenyl-2H-furan-5-one

4-(4-甲氧基苯基)-5H-呋喃-2-酮

3-(2-methoxyethoxymethoxy)-2H-furan-5-one

3-(phenylhydrazinylidene)oxolane-2,4-dione