3-methyl-3-[3-(1-methyl-2,5-dioxolanyl)propyl]cyclohexan-1-one

3-(4-oxopentyl)-2-cyclohexen-1-one

3,4,4a,5,6,8a-hexahydro-4a,8-dimethyl-1(2H)-naphthalenone

甲基锂

3-[3-(1-methyl-2,5-dioxolanyl)propyl]cyclohex-2-en-1-one