2-(2,5-dioxopyrrol-1-yl)-3-phenylpropanoic acid

3-phenyl-2-(propanoylamino)propanoic acid

5-(苯基甲基)-2-硫代-4-咪唑烷酮

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

氰化苄