NEW BISPIDINE COMPOUNDS USEFUL IN THE TREATMENT OF CARDIAC ARRHYTHMIAS

摘要

There is provided compounds of formula (I), wherein R1, R2, R3, R4, R5a, R5b , R5c, R5d, R5e, R5f, R6, X, A, B and D have meanings given in the description , which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.