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Name the molecular formula for the molecule established as (7R)-7-[4-[(2,4-dichlorophenyl)methoxy]-3-methoxyphenyl]-5-methyl-N-phenyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide using the IUPAC nomenclature.
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C27H23Cl2N5O3
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