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Can you give the molecular formula of the molecule 2-amino-9-[(2R,4R,5R)-4-fluoro-3-[hydroxy-[[(2R,3S,5R)-3-hydroxy-5-(4-oxo-3H-pyrrolo[2,3-d]pyrimidin-7-yl)oxolan-2-yl]methoxy]phosphinothioyl]oxy-5-(hydroxymethyl)oxolan-2-yl]-1H-purin-6-one ?
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C21H24FN8O9PS
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