2,2-Dimethyl-propionic acid (4R,5S,6S)-6-((S)-2-cyano-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-ylmethyl ester

2,2-Dimethyl-propionic acid (4R,5S,6S)-2,2,5-trimethyl-6-[(S)-1-methyl-2-(toluene-4-sulfonyloxy)-ethyl]-[1,3]dioxan-4-ylmethyl ester

(3S,4R,5S,6S)-3,5-Bis-benzyloxy-7-(tert-butyl-diphenyl-silanyloxy)-4,6-dimethyl-heptan-1-ol

(2R,3R,4S,5S)-4-Benzyloxy-6-(tert-butyl-diphenyl-silanyloxy)-3,5-dimethyl-hexane-1,2-diol

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