L. Mu, Drandarov, K., Bisson, W. H., Schibig, A., Wirz, C., P Schubiger, A., and Westera, G.,
“Synthesis and binding studies of epibatidine analogues as ligands for the nicotinic acetylcholine receptors”,
European journal of medicinal chemistry, vol. 41, pp. 640–650, 2006.