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system
For the molecule named 3-(5',5'-diphenylspiro[acridine-9,10'-benzo[b][1]benzosiline]-10-yl)-4-(4,6-diphenyl-1,3,5-triazin-2-yl)benzonitrile;4-(4,6-diphenyl-1,3,5-triazin-2-yl)-3-(10-phenyl-9,9'-spirobi[acridine]-10'-yl)benzonitrile;4-(4,6-diphenyl-1,3,5-triazin-2-yl)-3-spiro[acridine-9,9'-thioxanthene]-10-ylbenzonitrile;4-(4,6-diphenyl-1,3,5-triazin-2-yl)-3-spiro[acridine-9,9'-xanthene]-10-ylbenzonitrile by IUPAC nomenclature, provide its molecular formula.
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C206H131N21OSSi
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