C20- nor-Abietane and Three Abietane Diterpenoids from Plectranthus mutabilis Leaves as P-Glycoprotein Modulators

1. Ntungwe, E.N.
2. Stojanov, S.J.
3. Duarte, N.M.
4. Candeias, N.R.
5. Díaz-Lanza, A.M.
6. Vágvölgyi, M.
7. Hunyadi, A.
8. Pešić, M.
9. Rijo, P.