Lennoxamine is an isoindolobenzazepine

alkaloid Alkaloids are a class of basic, naturally occurring organic compounds that contain at least one nitrogen atom. This group also includes some related compounds with neutral and even weakly acidic properties. Some synthetic compounds of similar ...

, originally isolated from the Chilean barberry, ''

Berberis darwinii ''Berberis darwinii'', Darwin’s barberry, is a species of flowering plant in the Family (biology), family Berberidaceae, native to southern Chile and Argentina and naturalized elsewhere. Regional vernacular names include ''michay'', ''calafate ...

''.

References

Alkaloids Lactams Isoindolines Benzodioxoles Phenol ethers {{alkaloid-stub