3-(3-(Dimethylamino)propyl)-2-thiohydantoin hydrochloride 4-Imidazolidinone, 3-(3-(dimethylamino)propyl)-2-thioxo-, monohydrochloride 86503-26-6 Hydantoin, 3-(3-(dimethylamino)propyl)-2-thio-, hydrochloride