Hoang Anh, Nguyen Thi, Nguyen Van Tuan, Tran Duc Quan, Dao Duc Thien, Nguyen Thanh Tam, Trinh Thi Thuy, and Tran Van Sung. “Chemical Constituents of Chirita Drakei Burtt Collected in Ha Long Bay, Quang Ninh Province, Viet Nam. Part 2. Compounds Isolated from the N-Butanol Extract”. Vietnam Journal of Chemistry 55, no. 4 (August 31, 2017): 504. Accessed May 6, 2024. https://vjs.ac.vn/index.php/vjchem/article/view/2525-2321.2017-00499.