title: [The quaternary alkaloid of rauwolfia venticillata (Lour.) Baill var. hainanensis Tsiang. Studies on the structure of macrospegatrine].
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D026121:Indole Alkaloids; D010946:Plants, Medicinal; D011926:Rauwolfia / Q000032:analysis*; D046948:Secologanin Tryptamine Alkaloids / Q000302:isolation & purification*
chemical_list: D026121:Indole Alkaloids; D046948:Secologanin Tryptamine Alkaloids; C056120:macrospegatrine