2-[bis[4-(dimethylamino)phenyl]methyl]-5-ethoxybenzoic acid

3-[4-(dimethylamino)phenyl]-3H-2-benzofuran-1-one

2-(4-dimethylamino-benzyl)-benzoic acid

1,3,4-triphenylbutan-2-one

2,4,6-tribenzhydrylphenol