3-(3-(Diethylamino)propyl)-5-methyl-2-thiohydantoin hydrochloride 4-Imidazolidinone, 3-(3-(diethylamino)propyl)-5-methyl-2-thioxo-, monohydrochloride, (+-)- 86503-35-7 Hydantoin, 3-(3-(diethylamino)propyl)-5-methyl-2-thio-, hydrochloride