(3aS,4R,7aS)-4-(tert-Butyl-diphenyl-silanyloxymethyl)-6-ethoxy-tetrahydro-[1,3]dioxolo[4,5-c]pyran-2-one

tert-Butyl-[(S)-2-(1-ethoxy-but-3-enyloxy)-but-3-enyloxy]-diphenyl-silane

(2R,3S,4S)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-6-ethoxy-tetrahydro-pyran-3,4-diol

tert-Butyl-((S)-6-ethoxy-5,6-dihydro-2H-pyran-2-ylmethoxy)-diphenyl-silane

(3aS,4R,6R,7aS)-6-Allyl-4-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-[1,3]dioxolo[4,5-c]pyran-2-one