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What is the molecular formula of the compound with this IUPAC name (2R,6R)-6-methyl-2-[[(2R)-2-methyl-5-oxo-4-oxatricyclo[4.2.1.03,7]nonan-9-yl]methyl]-4-oxatricyclo[4.2.1.03,7]nonan-5-one ?
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C19H24O4
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