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Name the molecular formula for the molecule established as 2-[(2-chloro-6-fluorophenyl)methyl]-N-(2-methylbutan-2-yl)-3-oxo-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridine-8-carboxamide using the IUPAC nomenclature.
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C19H24ClFN4O2
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