1. Nepehinol—a new triterpene from Nepeta hindostana;Ahmad;Planta Medica,1985
2. Cyclopeptide alkaloids from Hesiteria nitida;El-Seedi;Phytochemistry,1999
3. Ecologically active 2-octanoylcyclohexane-1,3-dione from Philidendron guttiferum;El-Seedi;Journal of Chemical Ecology,2001
4. El-Seedi, H.R., Sata, N., Torssell, K.B.G., Nishiyama, S., New labdene diterpenes from Eupatorium glutinosum, Journal of Natural Products, in press.
5. Systematik des Pflanzenreichs;Frohne,1979