1. Department
of Chemistry and
Center of Excellence for Innovation
in Chemistry, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
2. Natural Products Research Center
and Department of Microbiology, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand
3. National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand
Science Park, Klong Luang, Pathumthani 12120, Thailand