[(2R,3S,6S)-6-[(2S,4S,5S)-2-[(3S,4S,6S)-5-(benzenesulfonamido)-6-[(3S,4S,6R)-5-(benzenesulfonamido)-6-[tert-butyl(dimethyl)silyl]oxy-4-phenylmethoxy-2-(phenylmethoxymethyl)oxan-3-yl]oxy-4-phenylmethoxy-2-(phenylmethoxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)-3,5-bis(phenylmethoxy)oxan-4-yl]oxy-5-benzoyloxy-2,4-bis(phenylmethoxy)oxan-3-yl] benzoate