You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule 1-methyl-2,4-dioxo-N-[2-(propylamino)ethyl]pyrido[2,3-d]pyrimidine-6-sulfonamide;hydrochloride into molecular formula.
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C13H20ClN5O4S
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