title: Phytochemical investigations of three species of Clarkia.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification; D000880:Anthraquinones / Q000302:isolation & purification; D002855:Chromatography, Thin Layer; D005419:Flavonoids / Q000302:isolation & purification*; D010946:Plants, Medicinal / Q000032:analysis*; D012855:Sitosterols / Q000302:isolation & purification*; D013634:Tannins / Q000302:isolation & purification*
chemical_list: D000470:Alkaloids; D000880:Anthraquinones; D005419:Flavonoids; D012855:Sitosterols; D013634:Tannins