(+)-ethyl (4R,5R,E)-5-(tert-butyldimethylsiloxy)-4-methyl-2-hexenoate

(-)-(1R,2R,6R,7R)-6,7-dimethyl-3-oxo-2,8-dioxabicyclo[3.3.0]octane

(-)-(3R,4R,5R)-4,5-dimethyl-3-(1,3-dithiolan-2-yl)pentanolide

(5R,6R)-5,6-Dimethyl-4-vinyl-tetrahydro-pyran-2-one

(+)-(4R,5R)-4,5-dimethyl-2-(methoxycarbonyl)-3-vinylpentanolide