1. College of Pharmacy, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, P. R. China
2. Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, Shanghai Key Laboratory of Green Chemistry and Chemical Processes, East China Normal University, Shanghai, 200062, P. R. China
3. Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Hainan Normal University, Haikou 571158, P. R. China