抗癌剂。TGR5激动剂。;Anticancer agent. TGR5 agonist.;白桦脂酸(BETA)可用于研究其通过P53-CD95独立机制激活线粒体凋亡途径的功能和活性。白桦脂酸还是用来研究其潜在在内皮依赖性舒张方面的心血管作用机制。;Betulinic acid (BetA) may be used to study its function and activity as an activator of mitochondrial pathway apoptosis involving p53- and CD95-independent mechanisms. Betulinic acid is used to study its potential cardiovascular role in the modulation of endothelium-dependent relaxation.