1. State Key Laboratory of Phytochemistry and Plant Resources in West China
2. CAS Center for Excellence in Molecular Plant Sciences
3. Kunming Institute of Botany
4. Chinese Academy of Sciences
5. Kunming 650201
6. Department of Chemistry & Biochemistry
7. Wilfrid Laurier University
8. Waterloo
9. Canada
10. State Key Laboratory of Microbial Metabolism
11. School of Life Sciences and Biotechnology
12. Shanghai Jiao Tong University
13. Shanghai 200240
14. China