(1S,3S,7S,10R,11S,12S,16S)-16-Hydroxymethyl-3-((E)-2-iodo-1-methyl-vinyl)-8,8,10,12-tetramethyl-7,11-bis-trimethylsilanyloxy-4,17-dioxa-bicyclo[14.1.0]heptadecane-5,9-dione

(1S,3S,7S,10R,11S,12S,16S)-3-((E)-2-Iodo-1-methyl-vinyl)-8,8,10,12-tetramethyl-7,11-bis-trimethylsilanyloxy-16-trimethylsilanyloxymethyl-4,17-dioxa-bicyclo[14.1.0]heptadecane-5,9-dione

(E)-(4S,7R,8S,9S,16S)-4,8-Bis-(tert-butyl-dimethyl-silanyloxy)-16-((E)-2-iodo-1-methyl-vinyl)-5,5,7,9-tetramethyl-13-trityloxymethyl-oxacyclohexadec-13-ene-2,6-dione