1. Key Laboratory of Resources Conversion and Pollution Control of the State Ethnic Affairs Commission, College of Resources and Environmental Science, South-Central Minzu University, Wuhan 430074, P.R. China
2. Department of Chemistry, Renmin University of China, Beijing 100872, P.R. China
3. School of Pharmaceutical Sciences, South-Central Minzu University, Wuhan, Hubei 430074, P.R. China
4. College of Life Sciences, South-Central Minzu University, Wuhan 430068, P.R. China