1. Program on Chemical Sciences, Center of Excellence on Environmental Health and Toxicology (EHT), Chulabhorn Graduate Institute, OPS, MHESI, 54 Kamphaeng Phet 6, Laksi, Bangkok 10210, Thailand
2. Laboratory of Medicinal Chemistry, Chulabhorn Research Institute, 54 Kamphaeng Phet 6, Laksi, Bangkok 10210, Thailand