title: [Elucidation of the chemical structures of two steroid saponins of Dioscorea nippnica Makino].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002681:China; D010946:Plants, Medicinal / Q000032:analysis*; D012503:Saponins / Q000302:isolation & purification*
chemical_list: D012503:Saponins