| 摘要 |
There is provided compounds of formula (I), wherein R<1>, R<2>, R<3>, R<4>, R<5a>, R<5b>, R<5c>, R<5d>, R<5e>, R<5f>, R<6>, 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. |
