Acetic acid (E)-(S)-1-((R)-1,2-diacetoxy-ethyl)-4-hydroxy-but-2-enyl ester

Acetic acid (E)-(1R,2S)-2-acetoxy-1-acetoxymethyl-5-(tetrahydro-pyran-2-yloxy)-pent-3-enyl ester

Toluene-4-sulfonic acid (E)-(2R,3S)-2,3-dihydroxy-6-(tetrahydro-pyran-2-yloxy)-hex-4-enyl ester