You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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N-hydroxy-1,3-dimethyl-2,4-dioxo-6-[(triphenyl-lambda5-phosphanylidene)amino]pyrimidin-5-amine oxide is the IUPAC name of a molecule. Please give its molecular formula.
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C24H23N4O4P
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