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system
Provide the molecular formula for the IUPAC named substance 10-[3-[3-(3-carbazol-9-ylphenyl)phenyl]phenyl]phenanthro[9,10-b]pyrazine;10-[3-[3-(4-carbazol-9-ylphenyl)phenyl]phenyl]phenanthro[9,10-b]pyrazine;3-[4-[3-[4-(3-naphthalen-2-ylcarbazol-9-yl)phenyl]phenyl]phenyl]phenanthro[9,10-b]pyrazine .
user
C148H93N9
assistant