Synonyms: Oxayohimban-21-one,19,20-didehydro-16-ethenyl-17-(b-D-glucopyranosyloxy)-, (15b,16a,17b)- (9CI); Strictosamide (8CI);5H-Indolo[2,3-a]pyrano[3,4-g]quinolizine, oxayohimban-21-one deriv.;3-epi-Vincosamide; Isovincoside lactam; Strictosidine lactam