摘要 |
Compounds of the formulae IA and Ib. in which X, R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(30) and R(31) have the meanings indicated in the claims, are very particularly suitable as novel antiarrhythmic active compounds, in particular for the treatment and prophylaxis of atrial arrhythmias, e.g. atrial fibrillation (AF) or atrial flutters. |