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system
Name the molecular formula for the molecule established as N-(2,2-difluoroethyl)-6-(6-ethoxy-1H-pyrrolo[2,3-b]pyridin-3-yl)imidazo[1,2-a]pyridine-3-carboxamide using the IUPAC nomenclature.
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C19H17F2N5O2
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