(3-甲基-2-呋喃基)甲醇

2-chloro-4-methyl-2H-furan-5-one

4-methyl-2-[(4-methyl-5-oxo-2H-furan-2-yl)oxy]-2H-furan-5-one

(3Z)-3-[(4-methyl-5-oxo-2H-furan-2-yl)oxymethylidene]-4,6a-dihydro-3aH-cyclopenta[b]furan-2-one

2-hydroxy-4-methyl-2H-furan-5-one