1. Key Laboratory of
Nonferrous Metal Chemistry and Resources Utilization of Gansu Province
and State Key Laboratory of Applied Organic Chemistry, College of
Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
2. State Key
Laboratory of Veterinary Etiological Biology and Key Laboratory of
Animal Virology of Ministry of Agriculture, Lanzhou Veterinary Research
Institute, Chinese Academy of Agricultural Sciences, Xujiaping 1, Lanzhou, Gansu Province 730046, P. R. China
3. Chemistry
Department, University of Balochistan, Quetta, Pakistan