An azole, an amide and a limonoid from Vepris uguenensis (Rutaceae)

The limonoid, methyl uguenesonate, 1, the azole, uguenenazole, 2, and the amide, uguenenonamide, together with the known furoquinoline alkaloids flindersiamine and maculosidine, and syringaldehyde have been isolated from the root of the East African Rutaceae Vepris uguenensis.