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What is the molecular formula of the compound with this IUPAC name 2-(9,9-dimethylfluoren-3-yl)-9-naphthalen-2-ylcarbazole;3-[3-(9-naphthalen-2-ylcarbazol-3-yl)phenyl]-9-phenylcarbazole;9-naphthalen-2-yl-2-(9,9'-spirobi[fluorene]-3-yl)carbazole ?
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C130H86N4
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