sitostane

例句：

1. 1.The mineral is a rare and valuable resource in the region.
   这种矿物是该地区稀有且有价值的资源。
2. 2. The discovery of this compound has sparked interest in its potential applications.
   这种化合物的发现激发了对其潜在应用的兴趣。
3. 3. Due to its unique properties, it has been used in various industries for decades.
   由于其独特的性质，它已经被用于各个行业几十年了。