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What is the molecular formula of the compound with this IUPAC name N-[(4,6-dimethyl-2-oxo-1H-pyridin-3-yl)methyl]-6-(oxan-4-ylamino)-3-(phosphanylidenemethyl)-2-(propan-2-ylamino)pyridine-4-carboxamide ?
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C23H32N5O3P
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