(R)-5-((R)-4-Benzyl-2-oxo-oxazolidin-3-yl)-2-(tert-butyl-dimethyl-silanyloxy)-5-oxo-pentanal

ethyl (2E,4R,6S,7S,10S,12E)-4-(tert-butyldimethylsilyloxy)-10-(tert-butyldiphenylsilyloxy)-7-hydroxy-6-((2-pyridylselenyl)methyl)tetradeca-2,12-dienoate

(2E,12E)-(4R,6R,7S,10S)-4-(tert-Butyl-dimethyl-silanyloxy)-10-(tert-butyl-diphenyl-silanyloxy)-7-methanesulfonyloxy-6-(pyridin-2-ylselanylmethyl)-tetradeca-2,12-dienoic acid ethyl ester

(2R,4S,5S)-2-tert-butyldimethylsilyloxy-5-methanesulfonyloxy-1-(4-methoxy)benzyloxy-7-methyl-4-(trityloxymethyl)octane

ethyl (2E,4R,6S,7S,10S,12E)-4-(tert-butyldimethylsilyloxy)-10-(tert-butyldiphenylsilyloxy)-7-hydroxy-6-(trityloxymethyl)tetradeca-2,12-dienoate