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What is the molecular formula of the compound with this IUPAC name (1R,2S,6R,10S,11R,13S,15R)-13-ethoxy-1,6-dihydroxy-4,12,12,15-tetramethyl-8-(trityloxymethyl)tetracyclo[8.5.0.02,6.011,13]pentadeca-3,8-dien-5-one ?
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C41H46O5
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