3-ethyl-2-(2,3,4,9-tetrahydro-1H-beta-carbolin-1-ylmethyl)-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizine InChI=1/C29H34N4/c1-2-18-17-33-14-12-23-21-8-4-6-10-25(21)32-29(23)27(33)16-19(18)15-26-28-22(11-13-30-26)20-7-3-5-9-24(20)31-28/h3-10,18-19,26-27,30-32H,2,11-17H2,1H indolo[2,3-a]quinolizine, 3-ethyl-1,2,3,4,6,7,12,12b-octahydro-2-[(2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indol-1-yl)methyl]-