1. Biotransformation of 6β-eudesmanolides functionalized at C-3 with Curvularia lunata and Rhizopus nigricans cultures;Amate;Tetrahedron,1991
2. Microbial transformations of 7α-hydroxyfrullanolide;Atta-ur-Rahman;J. Nat. Prod.,1994
3. Becher, E., Schuep, W., Matzinger, P.K., Ehret, C., Teissiere, P.J., Maruyama, H., Suhara, Y., Ito, S., Ogawa, M., 1978. Hydroxypatchoulol and its derivatives. Ger. Offen. 2,739,449 (Cl. C07C35/22) 23 March 1978, Brit. Appl. 76/36,397, 02 Sept 1976; pp. 67.
4. Biotransformation of α-santonin;El-Sharkawy;Mansoura J. Pharm.,1996
5. The biogenesis and chemistry of sesquiterpene lactones;Fischer,1979