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Name the molecular formula for the molecule established as 3,4-dihydroxy-5-[(8E,10E,14E,16E)-1,2,3,4,5-pentahydroxy-6,20,20-trimethylhenicosa-8,10,14,16-tetraenyl]oxolan-2-one using the IUPAC nomenclature.
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C28H46O9
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