tert-butyl-[3-(2-iodo-ethyl)-5-methoxy-hexahydro-furo[2,3-b]furan-2-ylmethoxy]-diphenyl-silane

tert-butyl-[5-methoxy-3-(2-phenylselanyl-ethyl)-hexahydro-furo[2,3-b]furan-2-ylmethoxy]-diphenyl-silane

[2-(tert-butyl-diphenyl-silanyloxymethyl)-5-methoxy-hexahydro-furo[2,3-b]furan-3-yl]-(4,4,7a-trimethyl-3a,4,5,6,7,7a-hexahydro-3H-inden-1-yl)-methanone

[2-(tert-butyl-diphenyl-silanyloxymethyl)-5-methoxy-hexahydro-furo[2,3-b]furan-3-yl]-(4,4,7a-trimethyl-3a,4,5,6,7,7a-hexahydro-3H-inden-1-yl)-methanol