1. State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, Gansu, China
2. Research Institute of Oil and Gas Technology of Changqing Oilfield Company, Xian 710018, Shanxi, China
3. Chengdu Guibao Science and Technology Company, Ltd., Chengdu 610041, Sichuan, China