pentenyl

例句：

1. 1. The compound pentenyl is used in the production of plastics.
   该化合物pentenyl用于塑料的生产。
2. 2. The research on pentenyl has significant implications for the field of materials science.
   pentenyl的研究对材料科学领域具有重要意义。
3. 3. The synthesis of pentenyl requires precise control over reaction conditions.
   pentenyl的合成需要精确控制反应条件。