[(2S,3R,4S,5S,6R)-6-[[tert-butyl(diphenyl)silyl]oxymethyl]-2-[(2R,3S,4R,5R,6R)-5-(1,3-dioxoisoindol-2-yl)-6-hydroxy-2-[(4-methoxyphenyl)methoxymethyl]-4-phenylmethoxyoxan-3-yl]oxy-5-[(2S,3S,4R,5R,6S)-6-methyl-3,4,5-tris(phenylmethoxy)oxan-2-yl]oxy-4-[(2R,3R,4S,5S,6R)-3,4,5-tris(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-2-yl]oxyoxan-3-yl] benzoate