1. Department of Chemistry, Faculty of Science, Mahidol University, Bangkok 10400, Thailand, Chulabhorn Research Institute, Vibhavadi-Rangsit Highway, Laksi, Bangkok 10210, Thailand, and Chemical Biology Program, Chulabhorn Graduate Institute, and the Center for Environmental Health, Toxicology and Management of Chemicals (ETM), Vibhavadi-Rangsit Highway, Laksi, Bangkok 10210, Thailand