1. Benn, M.N. and Jacyno, J.M., in Alkaloids: Chemical and Biological Perspectives, Pelletier, S.W., Ed., New York: Wiley, 1983, vol. 1, pp. 153–210.
2. Wang, F.P., Chen, Q.H., and Liu, X.Y., Nat. Prod. Rep., vol. 27, pp. 529–570.
3. Catterall, W.A., Annu. Rev. Pharmacol. Toxicol., 1980, vol. 20, pp. 15–43.
4. Heubach, J.F. and Schule, A., Planta Med., 1998, vol. 64, no. 1, pp. 22–26.
5. Zamotaev, Yu.N., Kremnev, Yu.A., Grinenko, N.A., and Podshibyakin, S.E., Ross. Med. Zh., 2003, vol. 11, no. 9, pp. 11–14.