title: Isolation, gas chromatography-mass spectrometry, and structures of new alkaloids from Erythrina folkersii Krukoff and Moldenke and Erythrina salviiflora Krukoff and Barneby.
mesh_terms: D000470:Alkaloids / Q000032:analysis* / Q000302:isolation & purification; D002849:Chromatography, Gas; D004895:Erythrina / Q000032:analysis*; D013058:Mass Spectrometry; D010946:Plants, Medicinal
chemical_list: D000470:Alkaloids