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

Benzoic acid (1R,2R,3S,4S)-3-(tert-butyl-dimethyl-silanyloxy)-1-[(R)-1-((S)-2,2-dioxo-2λ6-[1,3,2]dioxathiolan-4-yl)-ethyl]-6-((2S,4R,6S)-4-methoxy-6-methyl-tetrahydro-pyran-2-yl)-2,4-dimethyl-hexyl ester