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Methyl (2R,4S)-3-acetamido-4-(methylideneamino)-2-[(S)-[3-[(2-methylpropan-2-yl)oxy]-3-oxopropyl]carbamoyloxy-[(4R)-2-oxo-1,3-dioxolan-4-yl]methyl]-3,4-dihydro-2H-pyran-6-carboxylate


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