| abstract |
4-substituted 1,2,4-triazole derivatives of formula I :n wherein R represents a 2-(dimethylamino)ethyl group, or a group of formula (i) or (ii) :n or a salt or prodrug thereof ; are selective agonists of 5-HT 1 -like receptors and are therefore useful in the treatment of clinical conditions, in particular migraine and associated disorders, for which a selective agonist of these receptors is indicated. |