4-[bis[(4-chlorophenyl)sulfanyl]methylidene]-2-phenyl-1,3-oxazol-5-one

5-methylsulfanyl-2-phenyl-4H-[1,3]oxazolo[4,5-d]pyrimidin-7-one

5-amino-2-phenyl-4H-[1,3]oxazolo[4,5-d]pyrimidin-7-one

7-chloro-5-methylsulfanyl-2-phenyl-[1,3]oxazolo[4,5-d]pyrimidine

4-(3H-1,3-benzothiazol-2-ylidene)-2-phenyl-1,3-oxazol-5-one