1. Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province Guizhou University Guiyang 550025 China
2. Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province Hunan Normal University Changsha 410081 China
3. School of Basic Medical Science/School of Public Health Guizhou Medical University Guiyang 550025 China
4. Department of Chemistry University of Hull Hull HU6 7RX UK