(3aS,4R,5R,6aS)-4,5-Dimethyl-tetrahydro-furo[2,3-b]furan-2-one

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

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

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

(R)-((2R,4R,5R,6R)-4-[1,3]Dithiolan-2-yl-2-methoxy-5,6-dimethyl-tetrahydro-pyran-2-yl)-hydroxy-acetic acid methyl ester