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system
Provide the molecular formula for the IUPAC named substance 3,6-ditert-butyl-9-[9-(9-phenylcarbazol-3-yl)carbazol-4-yl]carbazole;3,6-dimethyl-9-[6-methyl-9-(9-phenylcarbazol-4-yl)carbazol-3-yl]carbazole;3,6-diphenyl-9-[9-(9-phenylcarbazol-3-yl)carbazol-4-yl]carbazole .
user
C149H111N9
assistant