Compounds of the formula: ##STR1## wherein: Y is 2,6-dimethylphenyl, 2,5-dimethylphenyl, 5-bromo-2-methylphenyl, or 5-chloro-2-methylphenyl; and X is propenyl, propynyl, or cyclopropyl; or a non-toxic, pharmaceutically acceptable acid addition salt thereof; possess anti-arrhythmic activity.
公式为:##STR1## 的化合物,其中:Y为2,6-二甲基苯基、2,5-二甲基苯基、5-
溴-2-甲基苯基或5-
氯-2-甲基苯基;X为
丙烯基、
丙炔基或环丙基;或其无毒、药学上可接受的酸盐;具有抗心律失常活性。