Trinh, Duong, Phuong Tran, Hoa Nguyen, and Ly Ha. “Chromenes and Coumarins from the Roots of Paramignya Trimera”. VNUHCM Journal of Advanced Research in Natural Sciences 1, no. T5 (November 29, 2018): 131-136. Accessed April 7, 2026. https://arns.vnuhcmjournal.com.vn/index.php/arns/article/view/545.