2-<<2-(chloromethyl)-1,3-dimethyl-2-cyclohexen-1-yl>methyl>-1,3-dioxolane

2-[2-(2-Benzenesulfonylmethyl-1,3-dimethyl-cyclohex-2-enyl)-eth-(Z)-ylidene]-cyclopentanone

2,6-Dimethyl-6-(2-oxo-ethyl)-cyclohex-1-enecarboxylic acid methyl ester