1. Park, J.D., Rhee, D.K., and Lee, Y.H., Phytochem. Rev., 2005, vol. 4, p. 159.
2. Wang, C.Z., McEntee, E., Wicks, S., Wu, J.A., and Yuan, C.S., J. Nat. Med., 2006, vol. 60, no. 2, p. 97.
3. Ma, X.Q., Xiao, H.B., and Liang, X.M., Chromatographia, 2006, vol. 64, nos. 1–2, p. 31.
4. Goswami, R.S. and Punja, Z.K., Physiol. Mol. Plant Pathol., 2008, vol. 72, nos. 1–3, p. 10.
5. Pharmacopoeia of the People’s Republic of China, Beijing: Chemical Industry, 2005.