(E)-(S)-4-{(4S,6R)-6-[(S)-2-(4-Methoxy-benzyloxy)-2-((1R,2R)-2-methyl-cyclopropyl)-ethyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-pent-2-enoic acid methyl ester

4-[1-(tert-butyldimethylsilanyloxymethyl)ethyl]-6-[2-(4-methoxybenzyloxy)-2-(2-methylcyclopropyl)ethyl]-2,2-dimethyl-[1,3]dioxan

{(2S,3S,4S,6R)-4-(tert-Butyl-dimethyl-silanyloxy)-6-[(S)-2-(4-methoxy-benzyloxy)-2-((1R,2R)-2-methyl-cyclopropyl)-ethyl]-3-methyl-tetrahydro-pyran-2-yl}-acetic acid methyl ester