pyrobetulin

例句：

1. 1. Pyrobetulin is a natural compound found in the plant, which has been shown to haveanticancer properties.
   火绒花素是一种在植物中发现的天然化合物，已被证明具有抗癌症性质。
2. 2.The compound was discovered by scientists who were looking for new drugs to treat cancer.
   这种化合物是由寻找新药物来治疗癌症的科学家发现的。
3. 3.Due to its potential as an anticancer drug, pyrobetulin is currently under clinical trials.
   由于其作为抗癌药物的潜力，吡罗贝亭目前正在进行临床试验。