Nguyen, T.-Q.-T.; Doan, T.; Nguyen, T.-D.-H.; Nguyen, T.-H.-T.; Pham, N.-K.-T. Five Triterpenoids from the Stems of Lasianthus Bidoupensis V.S. Dang & Naiki (Rubiaceae). Science & Technology Development Journal: Natural Sciences 2023, 7, 2648-2654.