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What is the molecular formula of the compound with this IUPAC name 1-[(2R,3R,4R,5R)-3-fluoro-4-hydroxy-3-methyl-5-[(2-oxo-4-phenyl-1,3,2lambda5-dioxaphosphinan-2-yl)oxymethyl]oxolan-2-yl]pyridine-2,4-dione ?
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C20H23FNO8P
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