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What is the molecular formula of the compound with this IUPAC name (2R,3R,4R,5R)-2-[4-(hydroxyamino)-5-(2-pyridin-2-ylethynyl)pyrrolo[2,3-d]pyrimidin-7-yl]-5-(hydroxymethyl)-3-methyloxolane-3,4-diol ?
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C19H19N5O5
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