1. School of Chemistry and Chemical Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
2. Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
3. Key Laboratory of Comprehensive Utilization of Mineral Resource in Ethnic Regions, School of Chemistry & Environment, Yunnan Minzu University, Kunming 650500, China