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system
Name the molecular formula for the molecule established as [(4R,4aS,7R,7aS,12bS)-4a-bromo-9-methoxy-3,7a-dimethyl-2,4,7,13-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-yl] acetate using the IUPAC nomenclature.
user
C21H24BrNO4
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