(2S,3S,4S,7S,9S,10S)-7,9-bis(tert-butyldimethylsilanyloxy)-3-(4-methoxybenzyloxy)-2,4,10-trimethyl-13-trityloxytrideca-5,11-dien-1-ol

6-(2,2-dimethyl[1,3]dioxolan-4(S)-yl)-5(S)-hydroxy-4(R)-methylhex-2-enoic acid ethyl ester

(4R)-4-benzyl-3-{(2R,3S)-4-[(1S)-2,2-dimethyl-[1,3]-dioxolan-4-yl]-3-hydroxy-2-methylbutyryl}oxazolidin-2-one