3,5-ethanoindolo[1,2-g][1,6]naphthyridine, 1,2,3,4,4a,5,12,12a-octahydro-2,2,5-trimethyl-, (3S,4aR,5R,12aR)- InChI=1/C20H26N2/c1-19(2)14-8-9-20(3)16(11-14)17(21-19)12-15-10-13-6-4-5-7-18(13)22(15)20/h4-7,10,14,16-17,21H,8-9,11-12H2,1-3H3/t14-,16+,17+,20+/m0/s rel-(3R,4aS,5S,12aS)-12a,14,14-trimethyl-1,2,3,4,4a,5,6,12a-octahydro-5,3-(epiminomethano)indolo[1,2-a]quinoline