BICYCLO [2. 2. 1] HEPT-7-YLAMINE DERIVATIVES AND THEIR USE

摘要

According to the invention, there is provided a compound of formula (Ia): wherein A and R<SUP>1</SUP>-R<SUP>4</SUP> are as defined herein, such compounds having utility in the treatment of diseases where M3 and beta2 receptors are implicated, such as respiritory tract diseases; compositions comprising such compounds; uses of such compounds in therapy (such as asthma or COPD); and methods of treating a patient with such compounds.