The invention relates to new therapeutically valuable derivatives of 2-(2-thienyl)-imidazo[4,5-b]pyridines of the general formula ##STR1## in which R is methyl or ethyl, R.sub.1 is hydrogen or methyl and R.sub.2 is methylthio, methylsulfinyl oder methoxy, and their pharmaceutically acceptable acid addition salts, which compounds possess pharmacological properties, especially a positively inotropic activity on the heart.
这项发明涉及一种新的具有治疗价值的2-(2-
噻吩基)-
咪唑并[4,5-b]
吡啶的衍
生物,其一般
化学式为##STR1##其中R为甲基或乙基,R.sub.1为氢或甲基,R.sub.2为甲
硫基、甲磺基或甲氧基,以及它们的药用可接受的酸加盐,这些化合物具有药理特性,特别是对心脏具有正性肌力活性。