1. Center for Supramolecular Chemistry and Department of Chemistry, International Research Center, Kalasalingam Academy of Research and Education (Kalasalingam University), Krishnankoil, Tamil Nadu State 626-126, India
2. Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, State Key Laboratory of Biotherapy, and Healthy Food Evaluation Research Center, Sichuan University, Chengdu 610-064, P. R. China