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Name the molecular formula for the molecule established as benzhydryl 2-[(2R,3R)-2-(3-bromoprop-2-ynoxy)-4-oxo-3-[(2-phenylacetyl)amino]azetidin-1-yl]-3-methylbut-2-enoate using the IUPAC nomenclature.
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C32H29BrN2O5
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