1. State
Key Laboratory of Applied Organic Chemistry, College of Chemistry
and Chemical Engineering, Lanzhou University, Lanzhou 730000, People’s Republic of China
2. Key
Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory
for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical
Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China
3. Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Northwest A&F University, Yangling, Shaanxi 712100, People’s Republic of China