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system
Name the molecular formula for the molecule established as 2-O-(methylaminomethyl) 3-O-(5-oxido-4-oxa-5-azoniatricyclo[4.2.1.03,7]nonan-2-yl) bicyclo[2.2.1]hepta-1(6),4-diene-2,3-dicarboxylate using the IUPAC nomenclature.
user
C18H22N2O6
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