title: [Chemical constituents from Laggera pterodonta].
abstract: OBJECTIVE
  To study the chemical constituents from Laggera pterodonta.
  
  
  METHODS
  The compounds were isolated and purified by column chromatographic methods with silica gel, Sephadex LH-20, ODS and preparation HPLC. Their structures were identified by physicochemical properties and spectral data.
  
  
  RESULTS
  Ten compounds were isolated and elucidated as 3,4',5-trihydroxy-6,7-dimethoxyflavone (1), 3, 3', 5-trihydroxy-4', 6,7-trimethoxyflavone (2), chrysosplenetin B (3), 5-hydroxy-4', 7-dimethoxyflavanone (4), 5, 7,4'-trihydroxy-3, 3'-dimethoxyflavone (5), artemitin (6), quercetin (7), pinostrobin (8), luteolin (9) and apigenin (10), respectively.
  
  
  CONCLUSIONS
  Compounds 1, 2, 4, 5 and 8 - 10 are isolated from this plant for the first time.
authors.forename: Ping
authors.initials: P
authors.lastname: Lu
authors.forename: Ji-Mu
authors.initials: JM
authors.lastname: Wu
authors.forename: Li-Juan
authors.initials: LJ
authors.lastname: Chen
authors.forename: Wen
authors.initials: W
authors.lastname: Li
mesh_terms: D019659:Asteraceae / Q000737:chemistry*; D004365:Drugs, Chinese Herbal / Q000737:chemistry* / Q000302:isolation & purification; D005419:Flavonoids / Q000737:chemistry / Q000302:isolation & purification; D015394:Molecular Structure; D010946:Plants, Medicinal / Q000737:chemistry*; D013055:Spectrophotometry, Infrared; D013729:Terpenes / Q000737:chemistry / Q000302:isolation & purification
chemical_list: D004365:Drugs, Chinese Herbal; D005419:Flavonoids; D013729:Terpenes