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 6-bromo-5-methyl-N-[1-(2,4,6-trimethylpyridin-3-yl)ethyl]pyridin-3-amine is given. What is its corresponding molecular formula?
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C16H20BrN3
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