2-But-3-enyl-2-{(S)-2-[(2S,3S,5R)-3-(tert-butyl-dimethyl-silanyloxy)-5-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-1-methyl-ethyl}-[1,3]dioxolane

3-(2-{(S)-2-[(2S,3S,5R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-1-methyl-ethyl}-[1,3]dioxolan-2-yl)-1-{2-[2-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-[1,3]dithian-2-yl}-propan-1-one

3-(2-{(S)-2-[(2S,3S,5R)-3-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-diphenyl-silanyloxymethyl)-tetrahydro-furan-2-yl]-1-methyl-ethyl}-[1,3]dioxolan-2-yl)-1-{2-[2-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-ethyl]-[1,3]dithian-2-yl}-propan-1-ol