Acetic acid (2S,3R,4R,5S,6R)-4-benzyloxy-6-benzyloxymethyl-5-((2S,3R,4S,5S,6R)-4,5-diacetoxy-3-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-2-yloxy)-3-(1,3-dioxo-1,3-dihydro-isoindol-2-yl)-tetrahydro-pyran-2-yl ester 生成 [(2R,3S,4S,5R,6S)-4-acetyloxy-6-[(2R,3S,4R,5R,6S)-5-(1,3-dioxoisoindol-2-yl)-6-methylsulfanyl-4-phenylmethoxy-2-(phenylmethoxymethyl)oxan-3-yl]oxy-5-phenylmethoxy-2-(phenylmethoxymethyl)oxan-3-yl] acetate