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What is the molecular formula of the compound with this IUPAC name N-cyclopropyl-5-hydroxy-3-[(E)-2-(5-methyl-1,3,4-oxadiazol-2-yl)ethenyl]-4-(2-methylpropyl)-7-oxopyrazolo[1,5-a]pyrimidine-6-carboxamide ?
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C19H22N6O4
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