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What is the molecular formula of the compound with this IUPAC name sodium;2-[1-[1-[(2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-2-hydroxybutyl]-1,2,4-triazol-4-ium-4-yl]ethoxycarbonyloxy]acetate ?
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C21H20F3N5NaO6+
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