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What is the molecular formula of the compound with this IUPAC name (2R,6R,7S,12R,13S,16S)-10-(hydroxymethylidene)-4,4,12,16-tetramethyl-17-methylidene-3,5-dioxapentacyclo[11.7.0.02,6.07,12.016,20]icosan-9-one ?
user
C24H34O4
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