(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

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

(3R,4S)-6-ethoxy-3-ethyl-2,3,4,5-tetrahydro-4-pyridineacetic acid ethyl ester

4-Piperidineacetic acid,1-[2-(5,6-dimethoxy-1H-indol-3-yl)-2-oxoethyl]-5-ethyl-2-oxo-, ethylester, trans-(±)-