1. School of Chemistry and Chemical Engineering; Jiangsu University; 301 Xuefu Road Zhenjiang, Jiangsu P. R. China
2. Department of Chemistry; University of Houston; 4800 Calhoun Road Houston TX 77204-5003 USA
3. ICMUB (UMR CNRS 6302); Université de Bourgogne Franche-Comté; Dijon France