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N-[(3S,4R,5S)-5-[[(3As,7S,7aS)-2-oxo-7-phenylmethoxy-4-(phenylmethoxymethyl)-4,6,7,7a-tetrahydro-3aH-[1,3]dioxolo[4,5-c]pyran-6-yl]oxy]-2-ethylsulfanyl-4-phenylmethoxy-6-(phenylmethoxymethyl)oxan-3-yl]-2-trimethylsilylethanesulfonamide


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