1. Department of Chemistry, Yanbian University, Park Road 977, Yanji 133002, Jilin Province, PR China
2. Department of Environmental Science, Yanbian University, Park Road 977, Yanji 133002, Jilin Province, PR China
3. DAFNE−Department of Agriculture, Food, Natural Resources and Engineering, University of Foggia, Via Napoli 25, Foggia I-71122, Italy