New sesquiterpenes from Maytenus species (Celastraceae). Taxonomic and chemotaxonomic considerations concerning chilean Maytenus

1. González, A.G.
2. Jiménez, I.A.
3. Núñez, M.P.
4. Ravelo, A.G.
5. Bazzocchi, I.L.
6. Muñoz, O.M.
7. Aguilar, M.A.