You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule (2R)-6-amino-2-[[amino-[3-hydroxy-2-methyl-5-(phosphonooxymethyl)pyridin-4-yl]methylidene]amino]hexanoic acid into molecular formula.
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C14H23N4O7P
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