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

1,2-O,O-Carbonyl-7,13-O,O-bis(triethylsilyl)-4-deacetyl-2-debenzoylbaccatin III

(4S,4aS,6R,9S,11S,12S,12aS)-1-Bromomethyl-11,12-(carbonyldioxy)-4a,8,13,13-tetramethyl-5-oxo-4,9-bis(triethylsiloxy)-3,4,4a,5,6,9,10,11,12,12a-decahydro-7,11-methanobenzocyclodecen-6-yl acetate