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system
Please write the molecular formula of the molecule N-[3-(9,9-dimethylfluoren-2-yl)phenyl]-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine;N-[4-(9,9-dimethylfluoren-2-yl)phenyl]-9,9-diphenyl-N-(2-phenylphenyl)fluoren-2-amine;N-[4-(9,9-dimethylfluoren-2-yl)phenyl]-9,9-diphenyl-N-(4-phenylphenyl)fluoren-2-amine .
user
C174H129N3
assistant