1. School of Life Sciences & School of Chinese Medicine SciencesBeijing University of Chinese Medicine Beijing 100029 P. R. China
2. Institute of Clinical Medical Sciences & Department of PharmacyChina-Japan Friendship Hospital Beijing 100029 P. R. China
3. College of Life Sciences/Nanjiang Key Laboratory of Chemical Resources Utilization Engineering in Tarim Basin of Xinjiang Production and Construction CorpsTarim University Alar 843300 P. R. China
4. College of Pharmaceutical and Biotechnology Engineering, Institute of Functional MoleculesShenyang University of Chemical Technology Shenyang 110142 P. R. China