[(2S,3S,3aR,5S,6aR)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-5-methoxy-hexahydro-furo[2,3-b]furan-3-yl]-acetaldehyde

1-{(2S,3R,3aR,5R,6aR)-5-Methoxy-3-[1-((1R,3aS,7aS)-4,4,7a-trimethyl-octahydro-inden-1-yl)-vinyl]-hexahydro-furo[2,3-b]furan-2-yl}-ethanol

[(2S,3S,3aR,5R,6aR)-2-(tert-Butyl-diphenyl-silanyloxymethyl)-5-methoxy-hexahydro-furo[2,3-b]furan-3-yl]-((1S,3aS,7aS)-4,4,7a-trimethyl-octahydro-inden-1-yl)-methanone

(2S,3R,3aR,5R,6aR)-5-Methoxy-3-[1-((1R,3aS,7aS)-4,4,7a-trimethyl-octahydro-inden-1-yl)-vinyl]-hexahydro-furo[2,3-b]furan-2-carbaldehyde

1-{(2S,3R,3aR,5R,6aR)-5-Methoxy-3-[1-((1R,3aS,7aS)-4,4,7a-trimethyl-octahydro-inden-1-yl)-vinyl]-hexahydro-furo[2,3-b]furan-2-yl}-ethanone

[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

tert-Butyl-{(2S,3R,3aR,5R,6aR)-5-methoxy-3-[1-((1R,3aS,7aS)-4,4,7a-trimethyl-octahydro-inden-1-yl)-vinyl]-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

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

2-[2-(tert-butyl-diphenyl-silanyloxymethyl)-5-methoxy-hexahydro-furo[2,3-b]furan-3-yl]-ethanol

2-(tert-butyl-diphenyl-silanyloxymethyl)-5-methoxy-hexahydro-furo[2,3-b]furan-3-carbaldehyde

tert-butyl-[3-(2-iodo-ethyl)-5-methoxy-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)-methanol

(3aR,4R,5S,6aR)-5-Acetyl-4-[1-((1R,3aS,7aS)-4,4,7a-trimethyl-octahydro-inden-1-yl)-vinyl]-tetrahydro-furo[2,3-b]furan-2-one

{(2S,3R,3aR,5R,6aR)-5-Methoxy-3-[1-((1R,3aS,7aS)-4,4,7a-trimethyl-octahydro-inden-1-yl)-vinyl]-hexahydro-furo[2,3-b]furan-2-yl}-methanol