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3-(Hydroxymethyl)-6-[hydroxy-[(3R,4S,5S,6R)-2,3,4,5-tetrahydroxy-6-(hydroxymethyl)oxan-2-yl]methyl]-3,6-bis[(3R,4S,5S,6R)-2,3,4,5-tetrahydroxy-6-(hydroxymethyl)oxan-2-yl]-1,4-dioxane-2,5-dione


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