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


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