(3R,6S)-3-Benzyloxy-2-(2-chloro-ethoxy)-6-((R)-2,2,4-trimethyl-[1,3]dioxolan-4-ylmethyl)-tetrahydro-pyran

Acetic acid (2R,3S)-2-((S)-2-benzenesulfonyl-1-methyl-ethyl)-6-oxo-3,6-dihydro-2H-pyran-3-yl ester

(2R,3S,6S)-2-((E)-2-Benzenesulfonyl-2-trimethylsilanyl-vinyl)-6-isopropoxy-3,6-dihydro-2H-pyran-3-ol

Acetic acid (2R,3S,6S)-2-((S)-2-benzenesulfonyl-1-methyl-ethyl)-6-hydroxy-3,6-dihydro-2H-pyran-3-yl ester