1. Guangdong
Key Laboratory of Nanomedicine, Institute of Biomedicine and Biotechnology,
Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, Guangdong 518055, P. R. China
2. Key Laboratory for the Chemistry and Molecular Engineer of Medicinal Resources, School of Chemistry & Pharmaceutical Sciences of Guangxi Normal University, Guilin 541004, P. R. China
3. Department of Pure & Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, U.K.