1. Department of chemistry the Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology 1088 Xueyuan Road Shenzhen 518055 China
2. Department of Chemistry City University of Hong Kong Kowloon Tong Hong Kong SAR China
3. Current address: Jiangsu Hengrui Pharmaceuticals Co. Ltd. 7 Kunlunshan Road Lianyungang 222000 China