(4R,5R)-1-<2-(5,6-Dimethoxy-1H-indol-3-yl)ethyl>-5-ethyl-2-oxo-4-piperidineacetic Acid Ethyl Ester

(6R,7R)-2-(5,6-Dimethoxy-1H-indol-3-yl)-7-(2-ethoxy-2-oxoethyl)-6-ethyl-5,6,7,8-tetrahydrooxazolo<3,2-a>pyridinium Chloride

(-)-10,11-Dimethoxycorynan-17-oic Acid Ethyl Ester

(4R,5R)-5-ethyl-1-<2-(1H-indol-3-yl)ethyl>-2-oxo-4-piperidineacetic acid ethyl ester

Toluene-4-sulfonic acid 2-((2R,3R,12bS)-10-benzyloxy-3-ethyl-1,2,3,4,6,7,12,12b-octahydro-indolo[2,3-a]quinolizin-2-yl)-ethyl ester