tert-Butyl-[(2R,4aR,8R,8aR)-2-(4-methoxy-phenyl)-6-methylene-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy]-dimethyl-silane

4-(tert-butyl-diphenyl-silanyloxy)-pent-2-enoic acid (6-{5-[3-(tert-butyl-dimethyl-silanyloxy)-6-methoxy-6-methyl-4-methylene-tetrahydro-pyran-2-yl]-3-methyl-penta-2,4-dienyl}-2,5-dimethyl-tetrahydro-pyran-3-yl)-amide

Acetic acid (2R,3S,6S)-2-{(1E,3E)-5-[(2S,3S,5R,6R)-5-((Z)-(S)-4-acetoxy-pent-2-enoylamino)-3,6-dimethyl-tetrahydro-pyran-2-yl]-3-methyl-penta-1,3-dienyl}-6-methoxy-6-methyl-4-methylene-tetrahydro-pyran-3-yl ester