Steroids and related natural products. 66. Structural modification of the triterpene A ring.
D002776:Cholestanes / Q000138:chemical synthesis*; D003525:Cyclosteroids / Q000138:chemical synthesis*; D008722:Methods; D008745:Methylation; D013261:Sterols; D013729:Terpenes
D002776:Cholestanes; D003525:Cyclosteroids; D013261:Sterols; D013729:Terpenes