This invention relates to a compound of formula (1) wherein R.sup.1 is halogen, etc., R.sup.2 is halogen, etc., R.sup.3 is amino substituted with substituent(s) selected from the group consisting of lower alkyl and acyl, etc., R.sup.4 is heterocyclic (lower)alkyl, R.sup.5 is lower alkyl, and A.sup.1 is lower alkylene, and pharmaceutically acceptable salts thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to methods of using the same therapeutically in the prevention and/or the treatment of hypertension or the like. ##STR1##
本发明涉及式(1)的化合物,其中R.sup.1是卤素等,R.sup.2是卤素等,R.sup.3是
氨基,其被选择自下列群组的取代基所取代,该群组包括较低的烷基和酰基等,R.sup.4是杂环(较低)烷基,R.sup.5是较低的烷基,A.sup.1是较低的烷基,以及其药学上可接受的盐,其制备过程,包括该化合物的制药组合物,以及在预防和/或治疗高血压或类似疾病中治疗的方法。##
STR1##