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system
Name the molecular formula for the molecule established as 1-[(2R,4S,5R)-5-[[butylamino-(4-chlorophenoxy)phosphoryl]oxymethyl]-4-hydroxyoxolan-2-yl]-5-fluoropyrimidine-2,4-dione using the IUPAC nomenclature.
user
C19H24ClFN3O7P
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