(2R,3S,12bS)-tert-butyl 3-ethyl-8-methoxy-2-(2-methoxy-2-oxoethyl)-1,2,3,4,6,7-hexahydroindolo[2,3-a]quinolizine-12(12bH)-carboxylate

4-methoxy-D-tryptophan ethyl ester

9-methoxygeissoschizol