Toluene-4-sulfonic acid (2R,3S)-4-benzenesulfonyl-2-hydroxy-3-methyl-butyl ester

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

(R)-3-[(2S,5R,6R)-5-Benzyloxy-6-(2-chloro-ethoxy)-tetrahydro-pyran-2-yl]-2-methyl-propane-1,2-diol

(3R,4S)-5-Benzenesulfonyl-4-methyl-pentane-1,3-diol