1,2,3,4-Tetrahydro-6-ethyl-7H-indolo(2,3-c)quinoline 6-Ethyl-1,2,3,4-tetrahydroindolo(2,3-c)quinoline 7H-Indolo(2,3-c)quinoline, 1,2,3,4-tetrahydro-6-ethyl- NM3463000