2,2-Dimethyl-propionic acid (2R,3S,4S,5S)-6-(tert-butyl-diphenyl-silanyloxy)-2,4-dihydroxy-3,5-dimethyl-hexyl ester

(3R,4S,5S,6S)-4,6-Dimethyl-2,8-dioxa-bicyclo[3.2.1]octane-3-carbaldehyde

(3R,4S,5R,6R)-8-((3S,4R,5S,6S)-4,6-Dimethyl-2,8-dioxa-bicyclo[3.2.1]oct-3-yl)-1-methoxymethoxy-4,6-dimethyl-octane-3,5-diol

(3S,4R,5S,6S)-8-((3S,4R,5S,6S)-4,6-Dimethyl-2,8-dioxa-bicyclo[3.2.1]oct-3-yl)-4,6-dimethyl-octane-1,3,5-triol

Acetic acid (1S,2R,3S,4S)-3-acetoxy-6-((3S,4R,5S,6S)-4,6-dimethyl-2,8-dioxa-bicyclo[3.2.1]oct-3-yl)-2,4-dimethyl-1-(2-trityloxy-ethyl)-hexyl ester