title: Lichens and fungi. XI. Isolation and structural elucidation of a new group of triterpenes from Sticta coronata, S. colensoi, and S. flavicans.
mesh_terms: D002845:Chromatography; D006863:Hydrogen-Ion Concentration; D007659:Ketones / Q000302:isolation & purification; D008011:Lichens / Q000032:analysis*; D008970:Molecular Weight; D010084:Oxidation-Reduction; D012997:Solvents; D013057:Spectrum Analysis; D013729:Terpenes / Q000302:isolation & purification*
chemical_list: D007659:Ketones; D012997:Solvents; D013729:Terpenes