Easy Access to Alkoxy, Amino, Carbamoyl, Hydroxy, and Thiol Derivatives of Sesquiterpene Lactones and Evaluation of Their Bioactivity on Parasitic Weeds

1. Cala, A.
2. Zorrilla, J.G.
3. Rial, C.
4. Molinillo, J.M.G.
5. Varela, R.M.
6. MacÍas, F.A.