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

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