Novel therapeutically active derivatives of benzamide, having the general formula ##STR1## in which R.sub.1 and R.sub.2, independently of each other, are hydrogen or a lower alkyl group, R.sub.3 is a phenyl or lower alkyl or lower alkenyl group, R.sub.4 is a halogen or a trifluoromethyl or nitro-group, R.sub.5 is a sulphamoyl or carboxyl or carboxy-alkyl group, and the potassium salts of these derivatives. These compounds are diuretics and hypotensors (blood pressure depressants) and they lower the angiotensin and renin functions, with prolonged action.
苯甲酰胺的新型治疗活性衍
生物,其通式为##STR1## 其中R.sub.1和R.sub.2各自独立地为氢或较低的烷基,R.sub.3为苯基或较低的烷基或较低的烯基基团,R.sub.4为卤素或三
氟甲基或硝基基团,R.sub.5为磺酰胺基或羧基或羧基烷基基团,以及这些衍
生物的
钾盐。这些化合物是利尿剂和降压剂(降低血压),并且具有长效降低肾素和
血管紧张素功能的作用。