1. ZJU‐ENS Joint Laboratory of Medicinal Chemistry, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, 310058 (P.R. China), Fax: (+86) 571‐88981051
2. Department of Chemistry, South University of Science and Technology of China, Shenzhen, 518055 (P.R. China), Fax: (+86) 755‐8801‐8314
3. Department of Chemistry, Atate Key Laboratory of Synthetic Chemistry, The University of Hong Kong, Hong Kong (P.R. China), Fax: (+852) 2857‐1586
4. HKU Shenzhen Institute of Research and Innovation, Shenzhen, Guangdong 518053 (P.R. China)