1-Imidazolidineacetamide, 2,5-dioxo-4,4-diphenyl-N-(2-(1-piperazinyl)ethyl)-, dihydrochloride 118505-77-4 2,5-Dioxo-4,4-diphenyl-N-(2-(1-piperazinyl)ethyl)imidazolidine-1-acetamide dihydrochloride N-(1-Piperazino-2-ethyl)amide of 5,5-diphenyl-3-hydantoin acetic acid dihydrochloride