11-Methoxy-Macusine A. A New Quaternary Alkaloid from Strychnos angolensis

11-Methoxy-Macusine A. A New Quaternary Alkaloid from Strychnos angolensis 11-Methoxy-Macusine A. A New Quaternary Alkaloid from Strychnos angolensis Alkaloids and Biological Activity of Strychnos angolensis Quaternary indole alkaloids from the stem bark of Strychnos guianensis Quaternary indole alkaloids from the stem bark of Strychnos guianensis Some New Decussine-Type Alkaloids From Strychnos decussata, Strychnos dale and Strychnos elaecocarpa Strychnochrysine, a New Bisindole Alkaloid from the Roots of<i>Strychnos nux-vomica</i> Strychnochrysine, a New Bisindole Alkaloid from the Roots ofStrychnos nux-vomica A New Sarpagine-Type Alkaloid, N¹-Methyl-11-hydroxymacusine A Two new bisindole alkaloids from the seeds of Strychnos nux-vomica