1. Faculty of Science, Nakhon Phanom University, 48000 Nakhon Phanom, Thailand
2. Centre for Computational Chemistry, School of Chemistry, University of Bristol, Clifton, BS8 1TS Bristol, United Kingdom
3. School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, United Kingdom
4. Department of Chemistry, Faculty of Science, Kasetsart University,
Chatuchak, 10900 Bangkok, Thailand
5. Department of Chemistry, Faculty of Science, Ubon Ratchathani University, Warin Chamrap, 34190 Ubon Ratchathani, Thailand