12-[(4,5-dihydroxy-4,6-dimethyltetrahydro-2h-pyran-2-yl)oxy]-7-hydroxy-2-{1-[(5-hydroxy-3,4-dimethoxy-6-methyltetrahydro-2h-pyran-2-yl)oxy]propan-2-yl}-10-[(3-hydroxy-6-methyl-4-oxotetrahydro-2h-pyran-2-yl)oxy]-3,5,7,9,11,13-hexamethyl-6,14-dioxooxacyclot |
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