Cyclic triazo sodium channel blockers

摘要

The present invention relates to triazine compounds having sodium channel blocking properties, and to use of the compounds for preparation of medicaments for treatment of associated disorders. The compounds are of formula (I): in which z is a single bond or an optionally substituted linking group, R1 is a halo-alkyl group; and A is an optionally substituted aromatic heterocyclic or carbocyclic ring system; or a salt thereof.