5-hydroxy-2,4-dimethyl-2-octylthiophen-3-one

4-甲基-6-庚烯-3-酮

3-(methoxymethoxy)-2,4-dimethyl-2H-thiophen-5-one

methyl 4-bromo-2-methyl-3-oxopentanoate

methyl 4-acetylsulfanyl-2-methyl-3-oxopentanoate