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What is the molecular formula of the compound with this IUPAC name N-(9,9-diphenylfluoren-4-yl)-N-phenyl-6-(9-phenylfluoren-9-yl)dibenzofuran-4-amine;N,9-diphenyl-N-[6-(9-phenylfluoren-9-yl)dibenzofuran-4-yl]carbazol-3-amine;6-(9-phenylfluoren-9-yl)-N,N-bis(4-phenylphenyl)dibenzofuran-4-amine;N-phenyl-6-(9-phenylfluoren-9-yl)-N-(9,9'-spirobi[fluorene]-4-yl)dibenzofuran-4-amine ?
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C234H153N5O4
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