An antiarrhythmic agent which contains a [1]benzoxe- pino[3,4-b]pyridine derivative or pharmacologically acceptable acid addition salt thereof as effective ingredient and a method for treatment or prophylaxis of arrhythmia.
一种含有[1]苯并氧杂-
吡啶并[3,4-b]
吡啶衍生物或其药理学上可接受的酸加成盐作为有效成分的抗心律失常剂,以及一种治疗或预防心律失常的方法。