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 3-bromo-5-[1-(2,4-difluorophenyl)sulfinylpiperidin-3-yl]-N-(pyridin-3-ylmethyl)pyrazolo[1,5-a]pyrimidin-7-amine into molecular formula.
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C23H21BrF2N6OS
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