New corynathé alkaloids from Strychnos angustiflora.
D000470:Alkaloids / Q000302:isolation & purification*; D007211:Indoles / Q000302:isolation & purification*; D009682:Magnetic Resonance Spectroscopy; D010946:Plants, Medicinal / Q000032:analysis*; D013329:Structure-Activity Relationship
D000470:Alkaloids; D007211:Indoles