(E)-(4R,5S)-4-Benzyloxy-5-{(E)-(S)-5-[(R)-3-(tert-butyl-dimethyl-silanyloxy)-butyryloxy]-hex-2-enoyloxy}-hex-2-enoic acid 2,2,2-trichloro-ethyl ester

(R)-5-((S)-1-(tert-butyldimethylsilyloxy)ethyl)dihydrofuran-2(3H)-one

(4R,5S)-methyl 5-(tert-butyldimethylsilyloxy)-4-(methoxymethoxy)hexanoate

(4R,5S)-methyl 4-(benzyloxymethoxy)-5-(tert-butyldimethylsilyloxy)hexanoate

(5R,6S)-5-(benzyloxymethoxy)-6-methyltetrahydropyran-2-one