quinazoline alkaloid

例句：

1. 1. The quinazoline alkaloid in theplant has been found to have anti-cancer properties.
   植物中的喹啉类生物碱被发现具有抗癌性质。
2. 2. The researchon quinazoline alkaloids has led to the development ofnew drugs.
   关于喹啉类生物碱的研究导致了新药物的开发。
3. 3. Thequinazolinealkaloids are extractedfrom the roots of the plant andused in traditional medicine.
   喹啉类生物碱从植物的根部提取，用于传统医学。