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[(3Ar,4R,6R,7R,7aS)-7-acetyloxy-4-[(2S,3R,4S,5R,6R)-2-methoxy-4,5-bis(phenylmethoxy)-6-(phenylmethoxymethyl)oxan-3-yl]oxy-2-oxo-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl]methyl acetate


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