title: [Catechin dimers from oak bark. IV].
mesh_terms: D002392:Catechin; D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D005419:Flavonoids / Q000032:analysis / Q000302:isolation & purification*; D010946:Plants, Medicinal / Q000032:analysis*; D014197:Trees
chemical_list: D005419:Flavonoids; D002392:Catechin
vernacular_title: Uber Catechin-Dimere der Eichenrinde. I.