tert-butyl 3-(((2R,5S)-3,6-diethoxy-5-isopropyl-2,5-dihydropyrazin-2-yl)methyl)-4-methoxy-2-(tri-methylsilyl)-1H-indole-1-carboxylate

4-methoxy-D-tryptophan ethyl ester

(-)-dehydromitragynine

[(2R,12bS)-3-Eth-(Z)-ylidene-8-methoxy-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-2-yl]-acetic acid methyl ester