1. Department of Chemistry, College of Natural Sciences, Can Tho University, Can Tho, Vietnam;
2. Faculty of Molecular Chemistry and Engineering, Kyoto Institute of Technology, Kyoto, Japan;
3. Department of Chemistry Education, School of Education, Can Tho University, Can Tho, Vietnam;
4. Department of Chemistry, Faculty of Science, Can Tho University of Medicine and Pharmacy, Can Tho, Vietnam;
5. Department of Pharmaceutical Biochemistry, Institute of Applied Materials Science, Vietnam Academy of Science and Technology, Ho Chi Minh City, Vietnam