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 6-[(4-ethoxy-3-methoxyphenyl)methyl]-2-(4-methylpiperidin-1-yl)-7,8-dihydro-5H-pyrido[4,3-d]pyrimidine into molecular formula.
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C23H32N4O2
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