cyclononane

例句：

1. 1. The compound was isolated from the petroleum molecule.
   这种化合物是从石油分子中分离出来的。
2. 2. Cyclononane is a rare chemical that has been studied for its potential applications in medicine.
   环辛烷是一种罕见的化学物质，已被研究用于其潜在的医学应用。
3. 3. The discovery of cyclononane led to significant advancements in the field of organic chemistry.
   环辛烷的发现在有机化学领域产生了重大进展。