4-Imidazolidinone, 3-(3-(dimethylamino)propyl)-5-(1-methylpropyl)-2-thioxo-, (R*,R*)-(+-)- 5-sec-Butyl-3-(3-(dimethylamino)propyl)-2-thiohydantoin 86503-14-2 Hydantoin, 5-sec-butyl-3-(3-(dimethylamino)propyl)-2-thio-