title: Stigmastane
text: # Stigmastane
  
  Stigmastane or 24R-ethylcholestane is a tetracyclic triterpene, along with cholestane and ergostane, this sterane is used as a biomarker for early eukaryotes.
  
  * 5α-Stigmastane
  * 5β-Stigmastane
  