[Chemical constituents in the stem and leaf of Isodon oresbius].
Five triterpenoids were isolated from Isodon oresbius. Their structures were identified as ursolic acid, 2 alpha, 19 alpha-dihydroxy ursolic acid, 2 alpha, 3 alpha, 19 alpha-trihydroxy-12-ursen-28-oic acid, 2 alpha-hydroxy oleanolic acid and 2 alpha, 23-dihydroxy oleanolic acid by physico-chemical constants and spectral analysis.
Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009. Kunming Institute of Botany, Academia Sinica, Kunming 650204.
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D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D019686:Lamiaceae / Q000737:chemistry*; D015394:Molecular Structure; D018515:Plant Leaves / Q000737:chemistry; D018547:Plant Stems / Q000737:chemistry; D010946:Plants, Medicinal / Q000737:chemistry*; D014315:Triterpenes / Q000737:chemistry / Q000302:isolation & purification*; D000097245:Ursolic Acid
D004365:Drugs, Chinese Herbal; D014315:Triterpenes; D000097245:Ursolic Acid; C427506:2,3,19-trihydroxy-12-ursen-28-oic acid