Bioactivity and quantitative analysis of isohexenylnaphthazarins in root periderm of two Echium spp.: E. plantagineum and E. gaditanum

1. Durán, A.G.
2. Gutiérrez, M.T.
3. Rial, C.
4. Torres, A.
5. Varela, R.M.
6. Valdivia, M.M.
7. Molinillo, J.M.G.
8. Skoneczny, D.
9. Weston, L.A.
10. Macías, F.A.