(2S,4R)-1-[1,3]Dithian-2-ylidene-4-(tetrahydro-pyran-2-yloxy)-pentan-2-ol

5-<(4S,6R)-2,2,6-Trimethyl-1,3-dioxan-4-yl>-2-propanon

(-)-(1R,3R,5S)-1,3-dimethyl-2,9-dioxabicyclo-<3,3,1>-nonane