4-羟基-3-甲基-2-丁酮

4,5-二甲基-2-呋喃甲酸

2-(1-diphenylphosphorylpropan-2-yl)-2-methyl-1,3-dioxolane

2-methyl-3-oxo-N-(2-phenylethyl)butanamide

methyl 4,5-dimethylfuran-2-carboxylate