You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named (2R,3R,4S)-3-acetamido-4-(diamino(114C)methylideneamino)-2-[(1R,2R)-1,2,3-trihydroxypropyl]-3,4-dihydro-2H-pyran-6-carboxylic acid is given. What is its corresponding molecular formula?
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C12H20N4O7
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