| abstract |
(57) [Summary] (Modified) [Structure] Particularly, a compound represented by the formula Ia or a pharmaceutically acceptable salt thereof, and an antihypertensive pharmaceutical preparation containing the compound as an active ingredient. [In the formula, R 3 represents C 4 to C 9 straight-chain alkyl, and R 10 Represents (para-substituted) phenyl, condensed bicyclic or condensed tricyclic, X 1 represents —O—, —S—, —CH 2 —, —CH 2 C. H 2- represents, and m is 0 or 1. [Effect] The compound of the formula Ia is useful as an antagonist of the mammalian angiotensin II receptor. |