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What is the molecular formula of the molecule identified by 3,4,5-trihydroxy-6-[6-[4-[2-(5-hydroxy-2-methylidenecyclohexylidene)ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]-2-methylheptan-2-yl]oxyoxane-2-carboxylic acid ?
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C33H52O8
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