You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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For the molecule named ethyl (1R,3S,4R,5R)-5-amino-2-azabicyclo[2.2.1]heptane-3-carboxylate;hydrochloride by IUPAC nomenclature, provide its molecular formula.
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C9H17ClN2O2
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