1. Natural Products Research Laboratory, Institute of Chemistry, Vietnam Academy of Science and Technology, Cau Giay, Hanoi, Vietnam
2. Department of Chemistry, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Cau Giay, Hanoi, Vietnam
3. Department of Structural Research, Institute of Marine Biochemistry, Vietnam Academy of Science and Technology, Cau Giay, Hanoi, Vietnam
4. Department Medicine and Pharmacy, Tan Trao University, Yen Son, Tuyen Quang, Vietnam
5. Faculty of Natural science and Technology, University of Khanh Hoa, Nha Trang, Khanh Hoa, Vietnam