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What is the molecular formula of the molecule N-(1,2-dihydroacenaphthylen-5-yl)-N-(9,9-dimethylfluoren-2-yl)-5,6,8-triphenyltriphenylen-2-amine;N-(9,9-dimethylfluoren-2-yl)-5,6,8-triphenyl-N-spiro[cyclohexane-1,9'-fluorene]-2'-yltriphenylen-2-amine;N-(9,9-dimethylfluoren-2-yl)-5,6,8-triphenyl-N-(4-trimethylsilylphenyl)triphenylen-2-amine ?
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C192H147N3Si
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