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What is the molecular formula of the molecule 3-amino-4-(3,4-difluorophenyl)-1-[3-(2,2,2-trifluoroethyl)-6,8-dihydro-5H-[1,2,4]triazolo[4,3-a]pyrazin-7-yl]butan-1-one;ethane ?
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C19H24F5N5O
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