You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl N-[3-bromo-5-(2,3-difluorophenoxy)pyrazolo[1,5-a]pyrimidin-7-yl]-N-[2-(4-phosphanylpiperidin-1-yl)ethyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C24H29BrF2N5O3P
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