1. Laboratory of Medicinal Chemistry; Chulabhorn Research Institute, Laksi; Bangkok 10210 Thailand
2. Chemical Biology Program; Chulabhorn Graduate Institute and Center of Excellence on Environmental, Health and Toxicology, Laksi; Bangkok 10210 Thailand
3. Department of Chemistry and Center of Excellence for Innovation in Chemistry; Faculty of Science and Special Research Unit for Advanced Magnetic, Resonance (AMR); Kasetsart University; Bangkok 10900 Thailand