Compounds with the labdane skeleton from Halimium viscosum

1. Urones, J.G.
2. Marcos, I.S.
3. Basabe, P.
4. Diez, D.
5. Garrido, N.M.
6. Alonso, C.
7. Oliva, I.M.
8. Lithgow, A.M.
9. Moro, R.F.
10. Sexmero, M.J.
11. Lopez, C.