1. Almanza, G., Bastina, J., Codina, C., and De La Fuente, G., Norditerpenoid alkaloids from Aconitella hohenacker. Phytochemistry, 45, 1079–1085 (1997).
2. Altomare, A., Cascarano, G., Giacovazzo, C., and Gualiardi, A., Completion and refinement of crystal structures with SIR92. J. Appl. Cryst. 26, 343–350 (1993).
3. CCDC 665126 contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/data_request/cif , or by emailing data_request@ccdc.cam.ac.uk, or by contacting The Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB2 1EZ, UK; fax: +44 1223 336033 (2007).
4. Chung, B. S., Kim, S. K., Lee, H. K., and Kim, S. H., Studies on Korean Aconitum species (I), An alkaloid of Aconitum sibiricum and comparison of toxicities among related Aconitum species. Saengyak Hakhoe Chi(Hankuk Saengyak Hakhoe), 15, 108–113 (1984).
5. Chung, B. S., Lee, H. K., Pelletier, S. W., and Badawi, M. M., Reassignment of the structure of tuguaconitine, from Aconitum sibiricum. J. Nat. Prod., 49, 1074–1077 (1986).