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What is the molecular formula of the compound with this IUPAC name 3-[5-[1-(5-fluoro-2,3-dihydro-1H-indol-7-yl)ethoxy]pyrazolo[1,5-a]pyrimidin-3-yl]-5,5-dimethyl-2H-1,2,4-oxadiazole ?
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C20H21FN6O2
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