α-甲基-γ-丁内酯

2-甲基-3,4-二氢-2H-1-萘酮

2-甲基-4-氧-4-苯基丁酸

β-methyl-γ-oxo-γ-phenylbutanoic acid

3-methyl-5,5-diphenyltetrahydrofuran-2(3H)-one