. "C6H8N2O3"^^ . "An imidazol-4-one having a 2-carboxyethyl substituent at the 5-position."^^ . . . . . . . . . "3-(4-oxo-4,5-dihydro-1H-imidazol-5-yl)propanoic acid"^^ . "4,5-Dihydro-5-oxo-1H-imidazole-4-propanoic acid"^^ . "Imidazol-4-one-5-propionic acid"^^ . "156.139"^^ . "3-(4-oxo-4,5-dihydro-1H-imidazol-5-yl)propanoic acid"^^ . .