1. Key Laboratory of Plant Resources and Chemistry in Arid Regions, State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi, P. R. China;
2. University of Chinese Academy of Sciences, Beijing, P. R. China;
3. Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Tashkent, Uzbekistan