1. Laboratory of Biochemistry, Chulabhorn Research Institute, Bangkok 10210, Thailand
2. Laboratory of Natural Products, Chulabhorn Research Institute, Chulabhorn Royal Academy, Bangkok 10210, Thailand
3. Program in Chemical Sciences, Chulabhorn Graduate Institute, Chulabhorn Royal Academy, Bangkok 10210, Thailand
4. Department of Chemistry, Faculty of Science, Silpakorn University, Nakhon Pathom 73000, Thailand
5. Center of Excellence on Environmental Health and Toxicology, Ministry of Education, Bangkok 10400, Thailand