The compound of the formula ##STR1## (wherein R, R.sub.1 and R.sub.2 have the meanings given in the description), salts thereof with pharmaceutically acceptable organic or inorganic acids, process and intermediates for the preparation thereof and a pharmaceutical composition containing said compound are described. The compounds of formula I and the salts thereof are useful in the treatment of heart and renal diseases.
本发明描述了公式##STR1##的化合物(其中R,R.sub.1和R.sub.2具有描述中给出的含义),以及其与药学上可接受的有机或
无机酸的盐,制备过程和中间体,以及含有该化合物的制药组合物。公式I的化合物及其盐对于心脏和肾脏疾病的治疗具有用处。