(E)-(S)-5-(tert-Butyl-dimethyl-silanyloxy)-6-[(2R,6S)-6-((2S,3R)-2-methoxy-3-methyl-4-oxo-butyl)-5,6-dihydro-2H-pyran-2-yl]-2-methyl-hex-2-enoic acid methyl ester

(-)-(2S,3S)-4-((2S,6R)-6-allyl-3,6-dihydro-2H-pyran-2-yl)-3-methoxy-2-methylbutan-1-ol

Benzoic acid (2S,3S)-4-((2S,6R)-6-allyl-3,6-dihydro-2H-pyran-2-yl)-3-methoxy-2-methyl-butyl ester

Benzoic acid (2S,3S)-3-methoxy-2-methyl-4-[(2S,6R)-6-(2-oxo-ethyl)-3,6-dihydro-2H-pyran-2-yl]-butyl ester

Benzoic acid (2S,3S)-4-{(2S,6R)-6-[(E)-(S)-2-(tert-butyl-dimethyl-silanyloxy)-5-methoxycarbonyl-hex-4-enyl]-3,6-dihydro-2H-pyran-2-yl}-3-methoxy-2-methyl-butyl ester