You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 3-(3-methoxypyridin-4-yl)-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid is given. What is its corresponding molecular formula?
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C13H10N4O3
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