18638-88-5 9-(3-(Dimethylamino)propyl)-2,3,4,9-tetrahydro-1H-carbazol-1-one monohydrochloride CARBAZOL-1(2H)-ONE, 3,4-DIHYDRO-9-(3-(DIMETHYLAMINO)PROPYL)-, MONOHYDROCHLORIDE Of 2445