Compounds of the class of benzylisoquinoline derivatives of the formula ##STR1## wherein R.sup.1 is selected from the group consisting of hydrogen and methyl, and R.sup.2 is selected from the group consisting of methyl, ethyl, n-propyl and isopropyl, and therapeutically acceptable salts thereof, useful as active ingredients of pharmaceutical preparations for the treatment of cardiac arrhythmias.
该类苯基
异喹啉衍
生物化合物的
化学式为##STR1##其中R.sup.1从氢和甲基中选择,R.sup.2从甲基、乙基、n-丙基和异丙基中选择,及其治疗上可接受的盐,作为制备用于治疗心律失常的药物制剂的活性成分。