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system
Provide the molecular formula for the IUPAC named substance 5-N,18-N-bis(9,9-dimethyl-5,6-dihydrofluoren-2-yl)-5-N,18-N-diphenylhexacyclo[12.12.0.02,7.08,13.015,20.021,26]hexacosa-1(14),2(7),3,5,8,10,12,15(20),16,18,21,23,25-tridecaene-5,18-diamine .
user
C68H54N2
assistant