(2S,3R)-1-(2-(1H-indol-3-yl)ethyl)-3-ethyl-3-(methoxycarbonyl)piperidine-2-carboxylic acid

dimethyl (2S,3R)-3-ethyl-1-[2-(3-indolyl)ethyl]hexahydroquinolate

α-tert-butyl β-methyl (2S,3R)-3-ethyl-1-[2-(3-indolyl)ethyl]hexahydroquinolate

(1R,12bS)-1-ethyl-1-(methoxycarbonyl)-1,2,3,4,6,7,12,12b-octahydroindolo<2,3-a>quinolizine

(-)-criocerine