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Name the molecular formula for the molecule established as 5-[(2,6-difluorophenyl)methyl]-3-[(3-methoxyphenoxy)methyl]-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6-one using the IUPAC nomenclature.
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C19H16F2N4O3S
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