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system
Name the molecular formula for the molecule established as 2-[(1S)-5-methyl-2,3,4,6,7,8,9,9a-octahydro-1H-quinolizin-5-ium-1-yl]ethyl 4-ethoxybenzoate;iodide using the IUPAC nomenclature.
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C21H32INO3
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