Figure 6From: Anti-malarial activity of indole alkaloids isolated from Aspidosperma olivaceumOff-line ESI-MS of (A) crude extract from the leaves of Aspidosperma olivaceum and (B) the daughter ions from fragment m/z 265 [M + H]+. The daughter ion at m/z 219 [M + H]+ was the most abundant species.Back to article page