title: [Studies on the purgative drugs. IV. On the constituents of Calystegia japonica Choisy (author's transl)].
mesh_terms: D002400:Cathartics / Q000032:analysis*; D055598:Chemical Phenomena; D002621:Chemistry; D005419:Flavonoids / Q000302:isolation & purification*; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D002400:Cathartics; D005419:Flavonoids