(E)-methyl2-((2S,3S,12bS)-3-ethyl-8-methoxy-1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizin-2-yl)-3-methoxyacrylate;(?E,2S,3S,12bS)-3-Ethyl-1,2,3,4,6,7,12,12b-octahydro-8-methoxy-?-(methoxymethylene)-indolo[2,3-a]quinolizine-2-acetic Acid Methyl Ester-13C-d3; (-)-Mitragynine; 9-Methoxy-corynantheidine-13C-d3; 16,17-Didehydro-9,17-dimethoxy-corynan-16-carboxylic Acid Methyl Ester-13C-d3;Mitragynine-13C-d3
