3-[dimethyl(phenyl)silyl]-3-methylcyclohexan-1-one

3-diethoxyphosphoryl-3-methylcyclohexan-1-one

(7R)-7-(benzenesulfonylmethyl)-7-methyl-1,4-dioxaspiro[4.5]decane

ethyl 2-(4-methyl-2-oxocyclohex-3-en-1-yl)acetate

diethyl 2-(1-methyl-3-oxocyclohexyl)propanedioate