ethyl <αS,2S,4R>-α-hydroxy-2-(4-methoxyphenyl)-1,3-dioxane-4-acetate

ethyl <2R,4R>-2-(4-methoxyphenyl)-α-oxo-1,3-dioxane-4-acetate

ethyl <2S,3R>-2,3-dihydroxy-5-(4-methoxybenzyloxy)pentanoate

(2E,5Z)-7-(tert-butyldiphenylsilyl)oxy-1-{(4R,5S)-2,2-dimethyl-5-[2-(4-methoxybenzyloxy)ethyl]-[1,3]-dioxolan-4-yl}-5-methyl-hepta-2,5-dien-1-one

(4R,5S)-(E)-5-(t-butyl(dimethyl)silyloxy)-4-(β-methoxyethoxy)methoxy-2-hexenoic acid