4-[1-(4-chlorophenyl)ethylidene]-2-phenyl-1,3-oxazol-5-one

2-phenyl-4-[α-E-p-methoxyphenylethylidene]-5(4H)-oxazolone

4-[1-(4-methoxyphenyl)ethylidene]-2-phenyl-1,3-oxazol-5-one

(4Z)-2-phenyl-4-(1-thiophen-2-ylethylidene)-1,3-oxazol-5-one

4-cycloheptylidene-2-phenyl-1,3-oxazol-5-one