1,3,4,5-Tetrahydro-3-(3-(dimethylamino)propyl)-2H-3-benzazepin-2-one hydrochloride 20904-21-6 2H-3-Benzazepin-2-one, 1,3,4,5-tetrahydro-3-(3-(dimethylamino)propyl)-, monohydrochloride 3-(3-Dimethylaminopropyl)-2,3,4,5-tetrahydro-1H-3-benzazepin-2-one hydrochloride