1. Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry College of Chemistry and Chemical Engineering Hubei University Wuhan 430062 P. R. China
2. Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 P. R. China
3. Department of Chemistry and Pharmaceutical Sciences Guangxi Normal University Guilin 541006 P. R. China