(R)-3-{(2S,3R,5S)-2-[(S)-2-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-5-methoxy-tetrahydro-furan-3-yl}-2-methyl-propan-1-ol

(3R,4S)-4-[(2S,3R,5S)-3-((4E,6E)-(2R,3S,8R,9R)-3,9-Dihydroxy-2,6-dimethyl-8-trityloxymethyl-undeca-4,6-dienyl)-5-methoxy-tetrahydro-furan-2-yl]-3-hydroxy-pentanoic acid methyl ester

(7E,9E)-(2S,3aR,5R,6S,11R,12R,16R,17S,17aS)-12-Ethyl-6,16-dihydroxy-2-methoxy-5,9,17-trimethyl-11-trityloxymethyl-2,3,3a,4,5,6,11,12,15,16,17,17a-dodecahydro-1,13-dioxa-cyclopentacyclohexadecen-14-one

(R)-3-{(2S,3R,5S)-2-[(S)-2-(tert-Butyl-diphenyl-silanyloxy)-1-methyl-ethyl]-5-methoxy-tetrahydro-furan-3-yl}-2-methyl-propionaldehyde