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system
Provide the molecular formula for the IUPAC named substance 2-[2-(9,9-diphenylfluoren-2-yl)naphthalen-1-yl]-4,6-diphenyl-1,3,5-triazine;2-[2-(9,9-diphenylfluoren-4-yl)naphthalen-1-yl]-4,6-diphenyl-1,3,5-triazine;2'-[1-(4,6-diphenyl-1,3,5-triazin-2-yl)naphthalen-2-yl]spiro[1-azapentacyclo[10.7.1.02,7.08,20.014,19]icosa-2,4,6,8(20),9,11,14,16,18-nonaene-13,9'-fluorene];2-[2-(4-naphtho[2,3-b][1]benzofuran-3-ylphenyl)naphthalen-1-yl]-4,6-diphenyl-1,3,5-triazine .
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C203H129N13O
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