abstract |
The present invention relates to compounds of formula 1 n n nwherein the groups R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , 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. |