3H-Pyrrolo(1,2-a)imidazole-2-propanoic acid, 2,5,6,7-tetrahydro-3-oxo-6-phenyl-, ethyl ester 76696-84-9 Ethyl 2,5,6,7-tetrahydro-3-oxo-6-phenyl-3H-pyrrolo(1,2-a)imidazole-2-propanoate