Bis-aniline derivatives useful as potassium channels modulators

The invention relates to compounds having the Formula (I) or a salt, or a physiologically functional derivative, or a prodrug thereof, wherein the amine substituent is in the meta or para-position to the amine moiety of the compound of Formula (I); (A) and (B) each independently represent an aromatic hydrocarbon group which optionally contains one or more heteroatoms selected from the group consisting of S, O and N, wherein the heteroatom N is optionally substituted with R5 , and/or the heteroatom S is optionally bonded to =O or (=O)2.