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What is the molecular formula of the compound with this IUPAC name [(1S,2R,3R,4S,6S,7S,8S,9S,12R)-4-acetyloxy-3,12-dihydroxy-3,9-dimethyl-13-methylidene-6-propan-2-yl-15-oxatricyclo[6.6.1.02,7]pentadecan-9-yl] butanoate ?
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C26H42O7
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