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system
Name the molecular formula for the molecule established as (5-phenylpyridin-3-yl)-[4-(5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl)piperidin-1-yl]methanone using the IUPAC nomenclature.
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C22H24N6O
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