| abstract |
The present invention relates to a compound of the formula (1), and to a method for preparing the derivative, an intermediate used in the preparation thereof, a composition containing the same, and a use thereof.n n n Formula 1n n n n n n n n The compounds according to the invention are β 2 adrenergic receptor agonists and M3 muscarinic receptor antagonists useful for various diseases, disorders and conditions, in particular inflammation, allergy and respiratory diseases, disorders and symptoms. |