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What is the molecular formula of the molecule N-(9,9-dimethylfluoren-2-yl)-7,7-dimethyl-N,12-bis(4-phenylphenyl)indeno[1,2-a]carbazol-2-amine;7,7-dimethyl-N-(3-phenylphenyl)-N,12-bis(4-phenylphenyl)indeno[1,2-a]carbazol-2-amine;7,7-dimethyl-N,N,12-tris(4-phenylphenyl)indeno[1,2-a]carbazol-2-amine;N-(3,5-diphenylphenyl)-7,7-dimethyl-N,12-diphenylindeno[1,2-a]carbazol-2-amine ?
user
C225H168N8
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