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What is the molecular formula of the molecule identified by 3-(1-methylpyrazol-4-yl)-N-(2,2,2-trifluoro-1-pyridin-1-ium-2-ylethyl)-2,3-dihydroimidazo[1,5-a]pyridine-1-carboxamide ?
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C19H18F3N6O+
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