1. Shaanxi Key Laboratory of Natural Products & Chemical Biology, College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
2. College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
3. Hebei Key Laboratory of Analysis and Control of Zoonotic Pathogenic Microorganism and College of Science & Technology, Hebei Agricultural University, Huanghua, Hebei, 061100, P. R. China