2,2-Dimethyl-propionic acid 2-((2S,3R,4R,6S)-6-benzyloxymethyl-4-hydroxy-3-hydroxymethyl-3-methyl-tetrahydro-pyran-2-yl)-ethyl ester

2,2-Dimethyl-propionic acid 2-((4aS,5S,7S,8aR)-7-benzyloxymethyl-2,2,4a-trimethyl-tetrahydro-pyrano[4,3-d][1,3]dioxin-5-yl)-ethyl ester

2,2-Dimethyl-propionic acid 2-[(2S,3R,4R,6S)-6-benzyloxymethyl-4-hydroxy-3-(2-hydroxy-ethyl)-3-methyl-tetrahydro-pyran-2-yl]-ethyl ester

(E)-3-((1R,2R,3S)-3-Benzyloxy-1-benzyloxymethyl-4-bromo-2-methyl-butoxy)-acrylic acid ethyl ester

2,2-Dimethyl-propionic acid 2-{(4aS,5S,7S,8aR)-7-[(E)-4-(tert-butyl-diphenyl-silanyloxy)-but-1-enyl]-2,2,4a-trimethyl-tetrahydro-pyrano[4,3-d][1,3]dioxin-5-yl}-ethyl ester