摘要 |
The present invention relates to compounds of formula 1 wherein the groups R<SUP>1</SUP>, R<SUP>2</SUP>, R<SUP>3</SUP>, R<SUP>4</SUP>, R<SUP>5</SUP>, R<SUP>6</SUP>, R<SUP>7</SUP>, R<SUP>8</SUP>, n, m and X may have the meanings given in the claims and in the specification, and the use thereof as pharmaceutical compositions, particularly for the treatment of inflammatory and obstructive respiratory complaints.
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