| abstract |
A compound of formula (Ia) or (Ib), or a pharmaceutically acceptable salt thereof, Wherein Q, R 2 , Ar, A and R 1 are as defined in claim 1. The claimed compounds are gap junction blockers useful for the treatment or prevention of a range of conditions including migraine, epilepsy, non-epileptic seizures, brain injury (including stroke, intracranial haemorrhage and trauma induced), pain, neurodegenerative disease or cardiovascular disease including myocardial infarction, coronary revascularization or angina. |