(4R)-4-benzyl-3-{(2R,3R)-3-{[tert-butyl(dimethyl)silyl]oxy}-4-[(4-methoxybenzyl)oxy]-2-methylbutanoyl}-1,3-oxazolidin-2-one

ethyl (4S,5R)-5-{[tert-butyl(dimethyl)silyl]oxy}-6-[(4-methoxybenzyl)oxy]-4-methylhexanoate

(1R,2S)-1-[2-(benzyloxy)ethyl]-2-methylpent-4-en-1-yl (4S,5R)-5-{[tert-butyl(dimethyl)-silyl]oxy}-6-[(4-methoxybenzyl)oxy]-4-methylhexanoate

ethyl (2E,4S,5R)-5-{[tert-butyl(dimethyl)silyl]oxy}-6-[(4-methoxybenzyl)oxy]-4-methylhex-2-enoate