1-(2-(Diethylamino)ethyl)-3-phenyl-2-thioxo-4,5-imidazolidinedione monohydrochloride 132411-99-5 3-(beta-N,N-Diethylaminoethylene)-1-phenyl-2-thioxo-4,5-imidazolidinedione hydrochloride 4,5-Imidazolidinedione, 1-(2-(diethylamino)ethyl)-3-phenyl-2-thioxo-, monohydrochloride