Toluene-4-sulfonic acid 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]-ethyl ester

2,2-Dimethyl-propionic acid (4S,5S)-5-[(2R,3R,4R,5R)-3-hydroxy-5-(2-hydroxy-ethyl)-4-methoxymethoxy-tetrahydro-furan-2-yl]-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl 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 methyl ester