Affiliation: | 1.Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering,Shaanxi Normal University,Xi’an,People’s Republic of China;2.Shaanxi Engineering Center of Bioresource Chemistry and Sustainable Utilization, College of Science,Northwest A&F University,Yangling,People’s Republic of China |