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system
Name the molecular formula for the molecule established as 4-[3-(7,7-dimethylbenzo[g]fluoren-9-yl)phenyl]-2-(3-phenylphenyl)-6-pyridin-4-ylpyrimidine;4-[3-(9,9-dimethylfluoren-2-yl)phenyl]-2-(3-phenylphenyl)-6-pyridin-3-ylpyrimidine;4-[3-(9,9-diphenylfluoren-2-yl)phenyl]-6-phenyl-2-(3-phenylphenyl)pyrimidine;2-(3-phenylphenyl)-4-pyridin-4-yl-6-[3-(9,9'-spirobi[fluorene]-2-yl)phenyl]pyrimidine using the IUPAC nomenclature.
user
C193H133N11
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