1. M.L. Shao, Pharmacopoeia of the People's Republic of China, Beijing, 9rd ed., 2010.
2. D.M. Chen, M.F. He, Y. Wang, Z.X. Zhou, The Description of the Unexamined Application for Patent for Invention. (2006) CODEN: CNXXEV CN1742904 A 20060308 AN 2006:286560.
3. H.W. Hu, The Description of the Unexamined Application for Patent for Invention, (2006) CODEN: CNXXEV CN 1775280 A 20060524 AN2006:504640.
4. Isoflavanones and their O-glycosides from Desmodium styracifolium