(2R,4S,1'''S,5'''R,7'''R,4''''R)-Spiro{4-[6'-(1''-ethoxyethoxy)-2'-oxohexyl]-1,3-dioxane-2,8'''-[7'''-(2'''',2''''-dimethyl-1'''',3''''-dioxolan-4''''-yl)-3''',3'''-dimethyl-2''',4''',6'''-trioxabicyclo[3.3.0]octane]}

(3E,9E)-10-Iodo-1-phenyl-deca-3,9-dien-5-one