1. Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou, Guangdong 515063, P. R. China
2. The Cancer Hospital of Shantou University Medical College, Shantou, Guangdong 515041, P. R. China
3. Department of Medicinal Chemistry, Shantou University Medical College, Shantou, Guangdong 515041, P. R. China
4. Guangdong RangerBio Technologies Company Limited, Dongguan 523000, P. R. China