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  • (3Z,9E)-(1R,7S,11S,15S,17R)-11-Methoxymethoxy-7-[(E)-(S)-1-methoxymethoxy-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-3,9,19-trien-5-one

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