anthracene nucleus

例句：

1. 1. The anthracene nucleus is a key component in thesynthesis of many drugs.
   蒽环核素是合成许多药物的关键成分。
2. 2. The anthracene nucleus has been foundto have anticancer properties.
   蒽环核素被发现具有抗癌性质。
3. 3. The anthracene nucleus is responsible forthe characteristic blue color of the flower.
   蒽环核素负责花朵特有的蓝色。