1. National Institute of Medicinal Materials (NIMM), Hanoi 11022, Vietnam
2. Department of Chemistry, Vinh University, 182 Le Duan, Vinh City, Nghean 43000, Vietnam
3. Institute of Natural Products Chemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Vietnam
4. Faculty of Pharmacognosy and Traditional Medicine, Hanoi University of Pharmacy, 13-15 Le Thanh Tong, Hoan Kiem, Hanoi 10000, Vietnam