(1R,4R,5R,7R)-7-(tert-Butyl-dimethyl-silanyloxymethyl)-6,8-dioxa-bicyclo[3.2.1]oct-2-en-4-ol

((1S,2R,3S,4R,5S,7R)-2,3,4-Tris-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-7-yl)-methanol

tert-Butyl-dimethyl-((1S,2R,3S,4R,5S,7R)-2,3,4-tris-benzyloxy-6,8-dioxa-bicyclo[3.2.1]oct-7-ylmethoxy)-silane