(2R,3S,4S,5Z)-3-(tert-butyldimethylsilanyloxy)-2,4-dimethylocta-5,7-dienoic acid methoxymethylamide

(2R,3S,4S,5Z)-3-(tert-butyldimethylsilanyloxy)-6-iodo-2,4-dimethylhex-5-enoic acid methoxymethylamide