(4R)-4-benzyl-3-[(3S,5R)-bis(5-tert-butyl-dimethyl-silanyloxy)-(2R)-2-methyl-hept-6-enoyl]-oxazolidin-2-one

(2R,3S,5S)-3,5-bis(tert-butyldimethylsilanyloxy)-2-methylhept-6-enoic acid (1R,2S)-1-[(1S)-2-(tert-butyldimethylsilanyloxy)-1-methylethyl]-2-methylbut-3-enyl ester

(2R,3S,5S)-3,5-bis(tert-butyldimethylsilanyloxy)-2-methylhept-6-enoic acid (1S,2S)-1-[(1S)-2-(tert-butyldimethylsilanyloxy)-1-methylethyl]-2-methylbut-3-enyl ester

(Z)-(3R,4S,6S,9S,10R)-4,6-bis(tert-butyldimethylsilanyloxy)-3,9-dimethyl-10-[(1R,3S,6R,7S,8S,9S)-6,8,1-tris(tert-butyldimethylsilanyloxy)-1,3,7,9-tetramethyldecyl]-3,4,5,6,9,10-hexahydro-2H-oxecin-2-one

(2R,3S,5S)-3,5-bis(tert-butyldimethylsilanyloxy)-2-methylhept-6-enoic acid