2,2',4,4',5,5'-hexaphenyl-1,1',2,2'-tetrahydro-3H,3'H-2,2'-bipyrrole-3,3'-dione

二苯基环丙烯酮

benzo[c]cinnolinium-(N-benzoylimide)

2,3,5-triphenyl-1H-pyrrole