(R)-6-Benzyloxymethyl-dihydro-pyran-2,4-dione

4-[(2R,6R)-6-((2R,6R)-6-Benzyloxymethyl-4-methylene-tetrahydro-pyran-2-ylmethyl)-4-triethylsilanyloxy-3,6-dihydro-2H-pyran-2-yl]-2-methyl-oxazole

2,2-Dimethyl-propionic acid (2R,4S,6S)-2-benzyloxymethyl-6-((E)-4-triethylsilanyloxy-penta-2,4-dienyl)-tetrahydro-pyran-4-yl ester

Acetic acid (2S,4S,6R)-2-allyl-6-benzyloxymethyl-tetrahydro-pyran-4-yl ester

[(E)-4-((2S,6R)-6-Benzyloxymethyl-4-methylene-tetrahydro-pyran-2-yl)-1-methylene-but-2-enyloxy]-triethyl-silane

2,2-Dimethyl-propionic acid (2R,4S,6R)-2-benzyloxymethyl-6-[(2S,6S)-6-(2-methyl-oxazol-4-yl)-4-triethylsilanyloxy-5,6-dihydro-2H-pyran-2-ylmethyl]-tetrahydro-pyran-4-yl ester

(2R,4R)-4-Methoxy-6-oxo-tetrahydro-pyran-2-carbaldehyde