Arylbenzoylguanidines of the formula I ##STR1## in which R.sup.1 R.sup.2, R.sup.3 and Ph have the given meanings herein, and also the physiologically harmless salts thereof, exhibit antiarrhythmic properties and act as inhibitors of the cellular Na.sup.+ /H.sup.+ antiporter.
式I中的芳基
苯甲酰基
胍化合物 ##
STR1## 其中R.sup.1,R.sup.2,R.sup.3和Ph在此具有给定的含义,以及其生理上无害的盐,具有抗心律失常性能并作为细胞Na.sup.+ /H.sup.+抗转运体的
抑制剂。