abstract |
Compounds of formula I n n n n n n n n n n in salt or solvate form, wherein W, R x , R y , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 and A have the meanings as indicated in the specification, are useful for treating diseases mediated by the β 2 -adrenoreceptor. Pharmaceutical compositions that contain the compounds and processes for preparing the compounds are also described. |