Flavonoids and alkaloids from Strychnos pseudoquina.
From the leaves of Strychnos pseudoquina (Loganiaceae), isorhamnetin (1) and a new biflavone (2) named strychnobiflavone were isolated together with the alkaloids diaboline and 11-methoxydiaboline.
D000470:Alkaloids / Q000032:analysis*; D001938:Brazil; D055598:Chemical Phenomena; D002621:Chemistry; D005419:Flavonoids / Q000032:analysis*; D010946:Plants, Medicinal / Q000032:analysis*
D000470:Alkaloids; D005419:Flavonoids