2-Methyl-2-[(2R,6S)-6-(2-oxo-ethyl)-tetrahydro-pyran-2-yl]-propionic acid methyl ester

methyl 2-[(2R,6S)-tetrahydro-6-(2-hydroxyethyl)-2H-pyran-2-yl]-2-methylpropanoate

2-[(2R,6S)-6-((R)-2-Benzyloxy-pent-4-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid methyl ester

2-Hydroxy-6-[3-((2S,6S)-6-vinyl-tetrahydro-pyran-2-yl)-propyl]-benzoic acid (1R,2S)-1-((S)-2-benzyloxy-3-{(2S,6R)-6-[1-methyl-1-(2-trimethylsilanyl-ethoxycarbonyl)-ethyl]-tetrahydro-pyran-2-yl}-propyl)-2-methyl-but-3-enyl ester

2-[(2R,6S)-6-((2R,4R,5S)-2-Benzyloxy-4-hydroxy-5-methyl-hept-6-enyl)-tetrahydro-pyran-2-yl]-2-methyl-propionic acid 2-trimethylsilanyl-ethyl ester