core compound

例句：

1. 1. The corecompound of this medicine is essential for its effectiveness.
   这种药物的核心成分对其有效性至关重要。
2. 2.The discovery of a new core compound could revolutionize the field.
   发现一种新的核心化合物可能会彻底改变该领域。
3. 3. The study focused on the core compounds that contribute to the plant's defense mechanisms.
   研究专注于那些有助于植物防御机制的核心化合物。