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What is the molecular formula of the compound with this IUPAC name 2,7-ditert-butyl-4-[3-[3-[[5-tert-butyl-2-(3,3-dimethylbutylidene)-3,3-dimethylinden-1-ylidene]methyl]phenyl]phenyl]-9,9-dimethylfluorene ?
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C57H68
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