1. State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
2. School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, People’s Republic of China
3. Department of Basic Medical Sciences, School of Medicine, Tsinghua University, Beijing 100084, People’s Republic of China
4. Center for Natural Products Research, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, People’s Republic of China
5. Syngenta, Jealott’s Hill International Research Centre, Berkshire RG42 6EY, U.K.