| abstract |
Compounds of formula (I), wherein R, R', R', Z, m, Y, n, R1, X, p and Ar have the meanings reported in the description; and pharmaceutically acceptable salts thereof are described. The compounds of formula (I) are useful in the treament of arterial hypertension and heart failure, of renal failure, of peripheral arteriopathies, of cerebrovascular insufficiencies and of ischemic cardiopathy. |