(2R,3R,11bS)-(+)-9-benzyloxy-2-(6-benzyloxy-3,4-dihydro-7-methoxy-1-isoquinolyl)methyl-3-ethyl-1,3,4,6,7,11b-hexahydro-10-methoxy-2H-benzoquinolizine

(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

(4R,5R)-(+)-1-(4-benzyloxy-3-methoxyphenethyl)-5-ethyl-2-oxo-4-piperidineacetic acid ethyl ester

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