Isoquinoline and benzo[H] isoquinoline derivatives, preparation and therapeutic use thereof as antagonists of the histamine H3 receptor

摘要

The invention concerns a compound of formula (I): Wherein A, l, m, n, R1 and R2 are as defined herein. The compounds of this invention are useful as medicaments, particularly, in the treatment of disorders improved by modulation of the histamine H3 receptor.