Anti-hypertensive sulfonanilides

摘要

The present invention is concerned with compounds of formula (I) <IMAGE> (I) wherein R1 is hydrogen or C1-4 alkoxy; R2 is carbonyl, hydroxymethylene, or methylene; and R3 is hydrogen or hydroxy; and salts thereof, provided that when R1 is hydrogen and R2 is carbonyl, R3 is not hydroxy, with processes for preparing same and with their use in medicine for the treatment of hypertension.