You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (2-pyridin-3-yl-5,6,7,8-tetrahydro-[1,2,4]triazolo[1,5-a]pyridin-7-yl)methanamine into molecular formula.
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C12H15N5
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