title: The preparation of some derivatives of glycyrrhetic acid and oleanolic acid.
mesh_terms: D002855:Chromatography, Thin Layer; D005965:Glucuronates / Q000138:chemical synthesis*; D006035:Glycyrrhiza; D010616:Phenanthrenes; D010946:Plants, Medicinal
chemical_list: D005965:Glucuronates; D010616:Phenanthrenes