2-methyl-1,3-diphenylbenzo[f]isoindole-4,9-dione

1,2,3-triphenylpropane-1,3-dione

19-methyl-1,4-diphenyl-1,4,4a,5a,6,11,11a,12a-octahydro-6,11-o-benzeno-1,4-epiazano-naphtho[2,3-g]isochromene-3,5,12-trione