1. State
Key Laboratory of Applied Organic Chemistry, Key Laboratory of Nonferrous
Metal Chemistry and Resources Utilization of Gansu Province and Department
of Chemistry, Lanzhou University, 222 Tianshui South Road, Lanzhou 730000, People’s Republic of China
2. Research Institute
of Lanzhou Petrochemical Corporation, Petrochina Lanzhou Petrochemical Company, 17 Qinshui Road, Lanzhou 730060, People’s Republic of China
3. College
of Chemical Engineering, Northwest University for Nationalities, 1
Northwest Village, Lanzhou 730030, People’s Republic of China