| 摘要 |
<p>The invention concerns the use of compounds of formula (I), wherein the radicals R<sup>1</sup>, R<sup>2</sup> and R<sup>3</sup> are such as defined in the description and the claims, for producing a drug for treating respiratory diseases as well as novel compounds of formula (I). The invention also concerns a method for producing said compounds, and pharmaceutical formulations containing them.</p> |
