4,4-diphenyl-1,3-oxazolidin-2-one

4,4-diphenyl-2-(trifluoromethyl)-1,3-oxazol-5-one

methyl 2-amino-2,2-diphenylacetate

2-methyl-4,4-diphenyl-1,3-oxazol-5-one

2,4,4-triphenyl-1,3-oxazol-5-one