3-prop-2-enylcyclohex-2-en-1-one

(3-oxocyclohexen-1-yl)methyl 2,2-dimethylpropanoate

3-叔-丁基环己-2-烯-1-酮

3-phenylselanylcyclohex-2-en-1-one

3-butylcyclohex-2-en-1-one