Oxidative burst inhibitory and cytotoxic amides and lignans from the stem bark of Fagara heitzii (Rutaceae)

Two amides, heitziamide A (1) and heitziamide B (2) and two phenylethanoids, heitziethanoid A (3) and heitziethanoid B (4) were isolated from the stem bark of Fagara heitzii together with thirteen known compounds. The oxidative burst inhibitory activity and cytotoxicity of some of these compounds are also reported.