1-Imidazolidinepropionic acid, 2,5-dioxo-4-methyl-4-phenyl- 17039-41-7 2,5-Dioxo-4-methyl-4-phenyl-1-imidazolidinepropionic acid 3-(2,5-Dioxo-4-methyl-4-phenyl-1-imidazolidinyl)propanoic acid 5-24-08-00066 (Beilstein Handbook Reference) 5-Methyl-5-phenylhydantoin-N-3-propionic acid BRN 1589593