Toluene-4-sulfonic acid 2-((3aS,4S,5aR,5bS,9aR,10aR,10bR)-2,2,7,7-tetramethyl-octahydro-1,3,5,6,8,10-hexaoxa-cyclopenta[a]fluoren-4-yl)-ethyl ester

{(2R,3S,3aR,4aS,7R,8aS,9S,9aR)-7-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3,9-bis-triethylsilanyloxy-decahydro-furo[3,2-b]pyrano[2,3-e]pyran-2-yl}-acetic acid

{(2R,3S,3aR,4aS,7R,8aS,9S,9aR)-7-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-3,9-bis-triethylsilanyloxy-decahydro-furo[3,2-b]pyrano[2,3-e]pyran-2-yl}-acetic acid methyl ester

2-[(3aS,4S,5aR,6S,7R,8aR,8bR)-6-Methoxymethoxy-2,2-dimethyl-7-(2-trityloxy-ethyl)-hexahydro-[1,3]dioxolo[4,5]furo[2,3-b]pyran-4-yl]-ethanol

(2R,3S,3aS,4aS,7R,8aR,9S,9aS)-7-[2-(tert-Butyl-dimethyl-silanyloxy)-ethyl]-2-(2-trityloxy-ethyl)-decahydro-furo[3,2-b]pyrano[2,3-e]pyran-3,9-diol