The present invention relates to new compounds of the formula I ##STR1## as well as their preparation, pharmaceutical preparations containing same, and method of treating acute myocardial infarction. The compounds which possess beta-adrenoceptor blocking activity are very shortacting and are preferably intended for treatment of acute myocardial infarction by administration by means of injection.
本发明涉及公式I的新化合物,以及它们的制备、含有这些化合物的药物制剂,以及治疗急性心肌梗死的方法。具有β-
肾上腺素受体阻滞活性的这些化合物作用时间很短,最好用注射的方式进行急性心肌梗死的治疗。