BETA2-adrenoceptor agonists

摘要

Compounds of formula; in free or salt or solvate form, whereAr is a group of formula; Y is carbon or nitrogen and R¹, R², R³, R⁴, R⁵, R⁶, R⁷, R⁸, R⁹, R¹⁰, X, n, p, q and r are as defined in the specification, their preparation and their use as pharmaceuticals, particularly for the treatment of obstructive or inflammatory airways diseases.