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

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

{(2R,3R,5S,6S)-2,5-Dimethyl-6-[(E)-3-methyl-4-(toluene-4-sulfonyl)-but-2-enyl]-tetrahydro-pyran-3-yl}-carbamic acid tert-butyl ester