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-methoxy-6-methyl-2-(6-oxa-2-azaspiro[3.4]octan-2-yl)pyridin-4-amine is given. What is its corresponding molecular formula?
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C13H19N3O2
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