title: Bisjatrorrhizine, a new dimeric protoberberine alkaloid from Jatrorrhiza palmata (Lam.) Miers.
mesh_terms: D001600:Berberine Alkaloids / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D010936:Plant Extracts
chemical_list: D001600:Berberine Alkaloids; D010936:Plant Extracts