1. Committee of the Pharmacopoeia of the People′s Republic of China, Chinese Pharmacopoeia, China Medico-Pharmaceutical Science & Technology Press, Beijing, 2015, 269 pp.
2. J. Zhang, Z. Q. Yin, and J. Y. Liang, Chem. Nat. Compd., 49, 507 (2013).
3. X. Q. Tan, H. S. Chen, R. H. Liu, C. H. Tan, C. L. Xu, W. D. Xuan, and W. D. Zhang, Planta Med., 71, 93 (2005).
4. X. Q. Tan, H. S. Chen, M. Zhou, and Y. Zhang, Chin. Trad. Herb. Drugs, 37, 171 (2006).
5. A. Sakushima, K. Ohno, T. Maoka, K. Seki, and K. Ohkura, J. Nat. Med., 56, 159 (2002).