Valepotriate hydrines isolated from an anticonvulsant fraction of Valeriana pavonii Poepp. & Endl

1. Giraldo, S.E.
2. Rincón, J.
3. Guerrero, M.F.
4. López, I.
5. Jiménez, I.A.
6. Marder, M.
7. Wasowski, C.
8. Vergel, N.E.