5-methyl-2-phenyl-oxazolidin-4-one

马尿酸

4-(1-chloro-ethylidene)-2-phenyl-4H-oxazol-5-one

Methyl 5-methyl-2-phenyl-1,3-oxazole-4-carboxylate

5-methyl-2-phenyloxazole-4-carboxylic acid ethyl ester