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What is the molecular formula of the compound with this IUPAC name N-[(3-chloro-2-fluorophenyl)methyl]-2-methyl-1,8-dioxo-3',9-bis(phenylmethoxy)spiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-7-carboxamide ?
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C34H31ClFN3O5
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