ISOLATION OF TRITERPENES FROM DISDICHIA MAJOR AND ESTABLISHMENT OF β-AMYRIN AND LUPEOL AS REFERNCE SUBSTANCES. JMM-NIMM [Internet]. 2026 Aug. 7 [cited 2026 Aug. 10];28(4):pp. 199 - 205. Available from: http://tapchiduoclieu.vn:8080/index.php/jomm/article/view/357