Benzoic acid (2R,3S,6S)-3-hydroxy-6-isopropoxy-tetrahydro-pyran-2-ylmethyl ester

{(Z)-2-[(2R,3S,6S)-3-(2-Ethoxy-ethoxy)-6-isopropoxy-tetrahydro-pyran-2-yl]-1-phenylsulfanyl-vinyl}-trimethyl-silane