9,9',10,10'-tetrahydro-9,9'-bianthryl

2-(9,10-Dihydro-9-anthryl)-2-methyl-1-phenyl-1-propanon

3,3-Dimethyl-4-oxo-2,4-diphenyl-2-(2-pyridyl)butyronitril

2-Benzhydryl-3,3-dimethyl-2-phenyloxiran

[diphenyl(tritylperoxy)methyl]benzene