(2R,3S,4S)-3-(tert-butyl-dimethyl-silanyloxy)-5-(4-methoxy-benzyloxy)-2,4-dimethyl-pentanoic acid N-methoxy-N-methyl-amide

(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

(3R,4S,5S,6S)-6-allyl-4-tert-butyldimethylsilyloxy-3,5-dimethyltetrahydropyran-2-one