3-(3-(Dimethylamino)propyl)-5-methyl-2-thiohydantoin hydrochloride 4-Imidazolidinone, 3-(3-(dimethylamino)propyl)-5-methyl-2-thioxo-, monohydrochloride, (+-)- 86503-28-8 Hydantoin, 3-(3-(dimethylamino)propyl)-5-methyl-2-thio-, hydrochloride