Institution: | 1. Shaanxi Key Laboratory of Economic Plant Resources Development and Utilization, College of Forestry, Northwest A&F University, Yangling, Shaanxi, China;2. Department of Agricultural Pharmacology, College of Plant Protection, Northwest A&F University, Yangling, Shaanxi, China;3. Institute of Chemical Industry of Forest Products, Chinese Academy of Forestry, Nanjing, Jiangsu, China;4. Department of Chemistry and Biochemistry, University of Michigan-Flint, Flint, MI, USA |