You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-(1-bromoethyl)-2,6-dichloro-5-fluoropyrimidine;2,4-dichloro-6-ethyl-5-fluoropyrimidine;2,4-dichloro-5-fluoropyrimidine is the IUPAC name of a molecule. Please give its molecular formula.
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C16H10BrCl6F3N6
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