title: Catharanthus alkaloids. XXV. Isolation of leurosine and ursolic acid from C. pusillus.
mesh_terms: D000470:Alkaloids / Q000302:isolation & purification* / Q000627:therapeutic use; D000818:Animals; D002277:Carcinoma / Q000188:drug therapy; D002855:Chromatography, Thin Layer; D046508:Culture Techniques; D007942:Leukemia, Experimental / Q000188:drug therapy; D008722:Methods; D051379:Mice; D009303:Nasopharyngeal Neoplasms / Q000188:drug therapy; D010946:Plants, Medicinal / Q000032:analysis*
chemical_list: D000470:Alkaloids