15995-83-2 9-(2-(Dimethylamino)ethyl)-2,3,4,9-tetrahydro-1H-carbazol-1-one monohydrochloride CARBAZOL-1(2H)-ONE, 3,4-DIHYDRO-9-(2-(DIMETHYLAMINO)ETHYL)-, MONOHYDROCHLORIDE Of 2444