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What is the molecular formula of the molecule identified by N-(3-dibenzofuran-2-ylphenyl)-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine;N-(3-dibenzofuran-4-ylphenyl)-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine;N-(3-dibenzothiophen-2-ylphenyl)-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine;N-(3-dibenzothiophen-4-ylphenyl)-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine ?
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C220H148N4O2S2
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