New oxabispidine compounds useful in the treatment of cardiac arrhythmias

摘要

There is provided compounds of formula I, wherein R¹, R², R³, R⁴, R⁴¹ to R⁴⁶, A, B and G have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.