Synonyms: Indolo[2,3-a]quinolizin-2-ethanol,b-ethylidene-1,2,3,4,6,7,12,12b-octahydro-3-(hydroxymethyl)-(8CI); Indolo[2,3-a]quinolizine-2-ethanol, b-ethylidene-1,2,3,4,6,7,12,12b-octahydro-3-(hydroxymethyl)-(7CI); Indolo[2,3-a]quinolizine, 18,19-secoyohimban-16-methanol deriv.