1. Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education and Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571126, People’s Republic of China
2. State Key Laboratory of Natural Medicines, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 211198, People’s Republic of China
3. College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571126, People’s Republic of China
4. Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, Engineering Research Center for Industrialization of Southern Medicinal Plants Resources of Hainan Province and College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571126, People’s Republic of China