title: Improved methods for the side-chain degradation of lanosterol. The synthesis of 4,4,14alpha-trimethyl-5alpha-pregn-8-en-20-one derivatives.
mesh_terms: D007536:Isomerism; D007664:Ketosteroids; D007810:Lanosterol; D008722:Methods; D008745:Methylation; D011278:Pregnanes / Q000138:chemical synthesis*
chemical_list: D007664:Ketosteroids; D011278:Pregnanes; D007810:Lanosterol