1. Institute of Chinese Materia Medica Shanghai University of Traditional Chinese Medicine Shanghai 201210 P. R. China
2. Institute of Science, Technology and Humanities Shanghai University of Traditional Chinese Medicine Shanghai 201210 P. R. China
3. Key Laboratory of Combinatorial Biosynthesis and Drug Discovery (Ministry of Education) School of Pharmaceutical Sciences Wuhan University 185 East Lake Road Wuhan 430071 P. R. China
4. Experiment Center for Teaching and Learning Shanghai University of Traditional Chinese Medicine Shanghai 201210 P. R. China