1. 1) Koehn FE, Carter GT. The evolving role of natural products in drug discovery. Nat. Rev. Drug Discov., 4, 206–220 (2005).
2. 2) Croteau R, Kutchan TM, Lewis NG. Natural Products (Secondary Metabolites). Biochemistry and Molecular Biology of Plants. (Buchanan BB, Gruissem W, Jones RL eds.) American Society of Plant Physiologists, Rockville, p. 1308 (2000).
3. 3) Estévez-Braun A, González AG. Coumarins. Nat. Prod. Rep., 14, 465–475 (1997).
4. 4) Ortuno A, Botia JM, Fuster MD, Porras I, Garcia-Lidon A, del Rio JA. Effect of scoparone (6,7-dimethoxy coumarin) biosynthesis on the resistance of tangelo Nova, Citrus paradisi and Citrus aurantium fruits against Phytophthora parasitica. J. Agric. Food Chem., 45, 2740–2743 (1997).
5. 5) Neal JJ, Wu D. Inhibition of insect cytochromes P450 by furanocoumarins. Pestic. Biochem. Physiol., 50, 43–50 (1994).