undecyl

例句：

1. 1. Theundecyl molecule is a keycomponent in the synthesis of many drugs.
   无定分子是合成许多药物的关键成分。
2. 2.The undecyl compound has been shownto have anti-cancer properties.
   无定化合物已被证明具有抗癌性质。
3. 3. Theundecyl structure is a common featurein many natural products.
   无定结构是许多天然产物的常见特征。