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system
Provide the molecular formula for the IUPAC named substance (2R,3R,4S)-2-(4-amino-5-bromo-2-methylidenepyrimidin-1-yl)-5-[2-[dimethyl(methylidene)-lambda5-phosphanyl]ethyl]oxolane-3,4-diol .
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C14H23BrN3O3P
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