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system
Please write the molecular formula of the molecule 9-(3,4-dimethylphenyl)-10-(4-methylphenyl)anthracene;9-(3,4-dimethylphenyl)-9-(4-methylphenyl)fluorene;1,2,4-trimethylbenzene;2,3,6-trimethyl-9,10-diphenylanthracene;2,3,7-trimethyl-9,9-diphenylfluorene;1,2,5-trimethylnaphthalene;1,2,6-trimethylnaphthalene;2,3,6-trimethylnaphthalene;2',3',7'-trimethyl-9,9'-spirobi[fluorene] .
user
C190H172
assistant