Pharmaceutical and veterinary compositions having as essential active ingredient at least one benzofuran derivative of the general formula: ##STR1## or a pharmaceutically acceptable acid addition salt thereof in which R represents an amino, monoethylamino or diethylamino radical and X.sub.1 and X.sub.2 represent hydrogen or iodine with the proviso that when R represents diethylamino X.sub.1 and X.sub.2 are different.These compositions are useful for the treatment of ischemic cardiac disorders.