South African plant extractives. Part I. An alkaloid, tecleanine, from the family rutaceae

South African plant extractives. Part I. An alkaloid, tecleanine, from the family rutaceae South African plant extractives. Part II. Alkaloids of Teclea natalensis Furoquinoline alkaloids from the southern African Rutaceae Teclea natalensis Furoquinoline Alkaloids of Teclea ouabanguiensis Alkaloids of Teclea nobilis Furoquinoline Alkaloids of Teclea ouabanguiensis Furoquinoline alkaloids from Teclea nobilis Furoquinoline alkaloids from Teclea nobilis Isolation and identification of three new phenolic furoquinoline alkaloids from Teclea verdoorniana Exell & Mendonça (Rutaceae) Secondary Metabolites from Teclea amanuensis (Rutaceae) from Tanzania