Showing structure for (1s)-1-{[(2s,3e,12bs)-3-ethylidene-1h,2h,4h,6h,7h,12h,12bh-indolo[2,3-a]quinolizin-2-yl]methyl}-1h,2h,3h,4h,9h-pyrido[3,4-b]indol-6-ol