1,3-bis(benzhydrylideneamino)urea

4-hydroxy-4,4-diphenylbutan-2-one

N-(4,4-diphenylbut-3-en-2-ylidene)hydroxylamine

E-1,1-diphenylbuten-3-one oxime

2-methyl-6-(diphenylhydroxymethyl)pyridine N-oxide