title: Spermidine alkaloids and triterpenes from Maytenus heterophylla and Pleurostylia africana. Chemical constituents of the Celastraceae--IV.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification*; D055598:Chemical Phenomena; D002621:Chemistry; D010946:Plants, Medicinal / Q000032:analysis*; D013045:Species Specificity; D013095:Spermidine / Q000302:isolation & purification*; D014315:Triterpenes / Q000302:isolation & purification*
chemical_list: D000470:Alkaloids; D014315:Triterpenes; D013095:Spermidine