1. Key Laboratory for Water Quality and Conservation of the Pearl River Delta Ministry of Education Environmental Research at Great Bay Guangzhou University Guangzhou 510006 P. R. China
2. Department of Chemistry University of South Florida Tampa 33620 USA
3. Key Laboratory of Pesticide and Chemical Biology Ministry of Education School of Chemistry Central China Normal University Wuhan 430079 P. R. China
4. State Key Laboratory of Supramolecular Structure and Materials College of Chemistry Jilin University Changchun 130012 P. R. China
5. College of Chemistry and Molecular Engineering Zhengzhou University Zhengzhou 450001 P. R. China