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What is the molecular formula of the compound with this IUPAC name (4aR,8aS)-6-[3-[2-[2-(methoxymethyl)phenyl]ethynyl]azetidine-1-carbonyl]-4,4a,5,7,8,8a-hexahydropyrano[3,2-c]pyridin-3-one ?
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C22H26N2O4
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