title: Phloroglucinol derivatives of Hagenia abyssinica. II. The structure determination of kosotoxin and protokosin.
mesh_terms: D002090:Butyrophenones / Q000032:analysis / Q000302:isolation & purification; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D010084:Oxidation-Reduction; D010696:Phloroglucinol / Q000031:analogs & derivatives* / Q000032:analysis; D010946:Plants, Medicinal / Q000032:analysis*; D014118:Toxins, Biological / Q000032:analysis* / Q000302:isolation & purification
chemical_list: D002090:Butyrophenones; D014118:Toxins, Biological; D010696:Phloroglucinol