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Methyl (1S,4aS,6R,9S,9aS)-4a,5,6,8,9,9a-hexahydro-1-(2,3,4,6-tetraacetyl-β-D-glucopyranosyloxy)-6,9-epoxy-1H-pyrano[3,4-d]oxepine-4-carboxylate
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methyl (1S,4aS,6RS,8S,8aS)-6-hydroxy-8-hydroxymethyl-1-(2',3',4',6'-tetraacetyl-β-D-glucopyranosyloxy)-1,4a,5,6,8,8a-hexahydro-pyrano[3,4-c]pyran-4-carboxylate
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