4-(tert-butyl-dimethyl-silanyloxy)-6-(2-(tert-butyl-dimethyl-silanyloxy)-7-{2-[3-(tert-butyl-dimethyl-silanyloxy)-5-hydroxy-2,4,6-trimethyl-deca-7,9-dienyl]-cyclopropyl}-6-methoxymethoxy-5-methyl-oct-3-enyl)-3,5-dimethyl-tetrahydro-pyran-2-one

(2R,3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-5-(tert-butyl-diphenyl-silanyloxy)-2-((Z)-2-iodo-vinyl)-4-methyl-pentan-1-ol

(2R,3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-5-(4-methoxy-benzyloxy)-4-methyl-pentanal

(2R,3S,4S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-((Z)-2-iodo-vinyl)-5-(4-methoxy-benzyloxy)-4-methyl-pentan-1-ol

(2S,3S,4R,5R,6S)-5-(tert-Butyl-dimethyl-silanyloxy)-7-{(1R,2R)-2-[(1S,2R,3S)-4-(tert-butyl-dimethyl-silanyloxy)-2-methoxymethoxy-1,3-dimethyl-butyl]-cyclopropyl}-3-(4-methoxy-benzyloxy)-2,4,6-trimethyl-heptan-1-ol