1H-INDOLO(2,3-c)QUINOLIN-1-ONE, 2,3,4,7-TETRAHYDRO-3,3-DIMETHYL-6-ETHYL-, MONOHY 1H-Indolo(2,3-c)quinolin-1-one, 2,3,4,7-tetrahydro-3,3-dimethyl-6-ethyl-, monohydrochloride 2,3,4,7-Tetrahydro-3,3-dimethyl-6-ethyl-1H-indolo(2,3-c)quinolin-1-one hydrochloride 3,3-Dimethyl-6-ethyl-1-oxo-1,2,3,4-tetrahydroindolo(2,3-c)quinoline hydrochloride 96725-31-4