[(2S,3R,6R)-3-[(2S,3S,5R)-5-[[(6S,7S,8aR)-7,8-dibenzoyloxy-2-phenyl-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-6-yl]oxy]-3,4-dibenzoyloxy-6-(benzoyloxymethyl)oxan-2-yl]oxy-6-[(2S,3R,6S)-6-[[(2R,4S,5R)-4-azido-3-methoxy-6,8-dioxabicyclo[3.2.1]octan-2-yl]oxy]-4,5-dimethoxy-2-(methoxymethyl)oxan-3-yl]oxy-4,5-dimethoxyoxan-2-yl]methyl benzoate