1. Institute of Natural Medicinal Chemistry and Green Chemistry; College of Light Industry and Chemical Engineering, Guangdong University of Technology; Guangzhou 510006 China
2. Susan Lehman Cullman Laboratory for Cancer Research; Department of Chemical Biology; Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey; Piscataway NJ 08854 USA
3. Infinitus (China) Company Ltd; Guangzhou 510006 China
4. Allan Conney Biotechnology Company Ltd; Foshan 528200 China
5. Wuyi University; Jiangmen 529020 China