(E)-(2R,7R)-3-Benzenesulfonyl-1,7-bis-(tert-butyl-dimethyl-silanyloxy)-2,6-dimethyl-non-5-en-4-one

(E)-(2R,7R)-3-Benzenesulfonyl-7-(tert-butyl-dimethyl-silanyloxy)-1-(4-methoxy-benzyloxy)-2,6-dimethyl-non-5-en-4-one

(6E,11E)-(8S,13R)-13-(tert-Butyl-dimethyl-silanyloxy)-3-(4-methoxy-phenoxymethoxy)-6,8,12-trimethyl-4,10-dimethylene-pentadeca-6,11-dienoic acid tert-butyl ester