dodecane

例句：

1. 1.This compound is used in the synthesis of many important chemicals.
   这种化合物在合成许多重要化学物质中被使用。
2. 2. The molecule has a unique structure that makes it highly stable.
   这个分子具有独特的结构，使其高度稳定。
3. 3. Dodecane is a hydrocarbon with a boiling point of around 190°C at standard pressure.
   十二烷是一种沸点约为190°C的碳氢化合物。