(E)-4-{(2R,3S,5S,6S)-6-[3-(tert-Butyl-diphenyl-silanyloxy)-propyl]-3-hydroxy-2,5-dimethyl-tetrahydro-pyran-2-yl}-but-2-enoic acid benzyl ester

3-[(2R,3S,5aR,7S,8R,10aS)-8-Benzyloxy-7-benzyloxymethyl-3-(tert-butyl-dimethyl-silanyloxy)-3-methyl-decahydro-1,6-dioxa-heptalen-2-yl]-propan-1-ol

(E)-4-{(2R,3S,5S,6S)-6-[3-(tert-Butyl-diphenyl-silanyloxy)-propyl]-2,5-dimethyl-3-triethylsilanyloxy-tetrahydro-pyran-2-yl}-but-2-enoic acid benzyl ester

(2S,3S,4aS,9aR)-2-[3-(tert-Butyl-diphenyl-silanyloxy)-propyl]-3,9a-dimethyl-octahydro-1,5-dioxa-benzocyclohepten-6-one

4-{(2R,3S,5S,6S)-6-[3-(tert-Butyl-diphenyl-silanyloxy)-propyl]-3-hydroxy-2,5-dimethyl-tetrahydro-pyran-2-yl}-butyric acid