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system
For the molecule named 5-N',20-N'-bis(4-ethylphenyl)-5-N',20-N'-diphenylspiro[fluorene-9,25'-hexacyclo[12.11.0.02,7.08,13.015,24.018,23]pentacosa-1(14),2(7),3,5,8,10,12,15(24),16,18(23),19,21-dodecaene]-5',20'-diamine;5-N',20-N'-bis(4-methylphenyl)-5-N',20-N'-diphenylspiro[fluorene-9,25'-hexacyclo[12.11.0.02,7.08,13.015,24.018,23]pentacosa-1(14),2(7),3,5,8,10,12,15(24),16,18(23),19,21-dodecaene]-5',20'-diamine;5-N',20-N'-diphenyl-5-N',20-N'-bis(4-propan-2-ylphenyl)spiro[fluorene-9,25'-hexacyclo[12.11.0.02,7.08,13.015,24.018,23]pentacosa-1(14),2(7),3,5,8,10,12,15(24),16,18(23),19,21-dodecaene]-5',20'-diamine by IUPAC nomenclature, provide its molecular formula.
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C195H144N6
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