2-bromo-5-(triethylsilyloxy)pentene

(4S,4aS,6R,9S,11S,12S,12aR)-11,12-(Carbonyldioxy)-9-hydroxy-4a,8,13,13-tetramethyl-1-methylene-5-oxo-4-triethylsiloxy-1,2,3,4,4a,5,6,9,10,11,12,12a-dodecahydro-7,11-methanobenzocyclodecen-6-yl acetate

4-[(1S,2S,3R,5R,6R,8S)-2,6-Dibenzyloxy-5-(tert-butyldimethylsiloxy)-3-(p-methoxybenzyloxy)-4,4,8-trimethyl-7-oxocyclooctyl]-4-pentenal

(2R,3R,5R,6S,7S,8S)-2,6-Dibenzyloxy-3-(tert-butyldimethylsiloxy)-7-[1-(3-hydroxypropyl)vinyl]-5-(p-methoxybenzyloxy)-4,4,8-trimethylcyclooctanone

(2R,3R,5R,6S,7S,8S)-2,6-Dibenzyloxy-3-(tert-butyldimethylsiloxy)-5-(p-methoxybenzyloxy)-4,4,8-trimethyl-7-{1-[3-(triethylsiloxy)propyl]vinyl}cyclooctanone