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Name the molecular formula for the molecule established as 4-[3-[4-(bromomethyl)-2-chlorophenoxy]-2-isocyanophenyl]pyrimidine;[3-chloro-4-(2-isocyano-3-pyrimidin-4-ylphenoxy)phenyl]methyl-triphenylphosphanium;bromide using the IUPAC nomenclature.
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C54H37Br2Cl2N6O2P
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