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What is the molecular formula of the molecule 2-(2-chloro-5-methylpyrimidin-4-yl)-6-methyl-7-[[6-(trifluoromethyl)pyridin-2-yl]methyl]-5,6-dihydroimidazo[1,2-a]pyrazin-8-one ?
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C19H16ClF3N6O
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