1. Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, 22 Xinong Road, Yangling 712100, Shaanxi, China
2. School of Medicinal and Chemical Engineering, Yangling Vocational & Technical College, 10 Xinong Road, Yangling 712100, Shaanxi, China
3. State Key Laboratory of Stress Biology for Arid Areas, Northwest A&F University, Yangling 712100, Shaanxi, China
4. Key Laboratory of Botanical Pesticide R&D in Shaanxi Province, Yangling 712100, Shaanxi, China