3-hydroxy-5-oxo-2,3-diphenylcyclopentene-1-carboxylic acid

3-(4-chlorophenyl)-5,6-diphenyl-1,2,4-triazine

1-methyl-5,6-diphenylpyrazin-2-one

2,5-dioxo-4,4-diphenylimidazolidine-1-carboxamide

2,3,5-triphenylfuran