1-(3-Chlorophenyl)-2,5-dioxo-4-imidazolidineacetic acid 1-(m-Chlorophenyl)-2,5-dioxo-4H-imidazolidineacetic acid 4-Imidazolidineacetic acid, 1-(3-chlorophenyl)-2,5-dioxo- 62848-52-6