| 摘要 |
<p>The invention relates to compounds of the general formula I <IMAGE> wherein R1 represents one up to and including four, the same or different substituents selected from alkyl(1-6 C), alkoxy(1-6 C), hydroxy, halogen, NO2, CF3 or the group -NR5R6, whereby two substituents taken together may also represent a methylene-dioxy group, X represents a member selected from R4CH,+RF -CH2-CH2- and -CH=CH-, n has the value 0, 1 or 2, R3 represents one of the moieties: <IMAGE> and R2, R4, R5 and R6 represent hydrogen or alkyl(1-6 C), and pharmaceutically acceptable salts thereof, suitable in the treatment of heartfailure.</p> |
