abstract |
The present invention relates to compounds of formula (1) in free or pharmaceutically acceptable salt form, wherein R 1, R 2, R 3, R 4, R 5, R 6, R 7, m, n, w, X and Y have the indicated meanings in the descriptive report, which are useful for treating CRTh2 receptor-mediated conditions, especially inflammatory or obstructive airway diseases. |