1. Department of Synthetic Medicinal Chemistry, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, No. 2 Nan Wei Road, Beijing 100050, China
2. AIDS Institute, Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Room 45, 5/F Laboratory Block, 21 Sassoon Road, Pokfulam, Hong Kong