| 摘要 |
<p>A compound represented by general formula [I], which is useful as a remedy for hypertension, congestive failure and chronic renal diseases, wherein R?1, R2 and R3¿ represent each independently hydrogen, C¿1?-C6 alkyl, C3-C6 cycloalkyl, phenyl, C1-C7 alkoxy, C3-C6 cycloalkoxy, amino, C1-C6 alkylureido, pyridylmethylamino, benzoylamino, halogen, cyano, nitro, C2-C7 alkoxycarbonyl, carboxyl, etc., and R?5¿ represents 5-tetrazolyl, carboxyl, etc.</p> |
