20-[8-(tert-butyl-dimethyl-silanyloxy)-9-methoxy-3,5-dimethyl-2-oxo-1,4,6-tris-triethylsilanyloxy-nonyl]-18-methoxy-3,5,7,9,13-pentamethyl-10,17-bis-triethylsilanyloxy-oxacycloeicosa-3,5,7,11,13-pentaen-2-one

5-iodo-2,4-dimethyl-penta-2,4-dienoic acid 1-[8-(tert-butyl-dimethyl-silanyloxy)-9-methoxy-3,5-dimethyl-2-oxo-1,4,6-tris-triethylsilanyloxy-nonyl]-3-methoxy-8,12-dimethyl-4,11-bis-triethylsilanyloxy-tetradeca-7,9,13-trienyl ester

(E)-(3S,4S)-8-Iodo-3-methoxy-4-triethylsilanyloxy-non-7-enal