etioallocholane

例句：

1. 1.The study of etioallocholanes is crucial for understanding the origins of life on Earth.
   研究前体烷烃对于理解地球上生命的起源至关重要。
2. 2. The chemical properties of etioallocholanes are similar to those of hydrocarbons.
   前体烷烃的化学性质与烃相似。
3. 3. Etioallocholanes have been used as precursors in the synthesis of various organic compounds.
   前体烷烃被用作合成各种有机化合物的前体。