title: [Chemical studies on Aristolochia contorta Bunge. II. The structure of aristolochic acid E].
mesh_terms: D034341:Aristolochic Acids; D055598:Chemical Phenomena; D002621:Chemistry; D008516:Medicine, Chinese Traditional; D010616:Phenanthrenes / Q000302:isolation & purification*; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D034341:Aristolochic Acids; D010616:Phenanthrenes; C052062:aristolochic acid E