1. This work was carried out in the course of the realization of a contract concerning theProgramma Nazionale di Ricerca per la Chimicawhich was assigned from the Ministro dell'Università e della Ricerca Scientifica e Tecnologica to the Istituto G. Donegani S.p.A. (Novara)
2. Alkamides: Structural Relationships, Distribution and Biological Activity1
3. Greger, H. 1988.Chemistry and Biology of Naturally-Occurring Acetylenes and Related Compounds, Edited by: Lam, J., Breteler, H., Arnason, T. and Hansen, L. 159–178. Amsterdam: Elsevier.
4. Amides from Achillea species and Leucocyclus formosus
5. Piperidides and other amides from Achillea species