1. Department of Chemistry, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand, National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 73/1, Rama VI Road, Rajdhevee, Bangkok 10400, Thailand, and Department of Chemistry, Faculty of Science, Mahidol University, Rajdhevee, Bangkok 10400, Thailand