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system
Provide the molecular formula for the IUPAC named substance 2',7'-bis[4-(10-phenylanthracen-9-yl)phenyl]-9,9'-spirobi[fluorene];2',7'-bis[4-(10-phenylanthracen-9-yl)phenyl]spiro[1,3-dihydroindene-2,9'-fluorene];9-[4-[9,9-diphenyl-7-(10-phenylanthracen-9-yl)fluoren-2-yl]phenyl]-10-phenylanthracene;2'-(10-phenylanthracen-9-yl)-7'-[4-(10-phenylanthracen-9-yl)phenyl]-9,9'-spirobi[fluorene];2'-(10-phenylanthracen-9-yl)-7'-[4-(10-phenylanthracen-9-yl)phenyl]spiro[1,3-dihydroindene-2,9'-fluorene] .
user
C359H230
assistant