COMBINATIONS COMPRISING ANTIMUSCARINIC AGENTS AND BETA 2 AGONISTS AND ANTAGONIST OF M3 MUSCARINIC RECEPTORS (3R)-1-PHENETHYL-3-(9H-XANTHANE-9-CARBONYLOXY)-1-AZONIABICYCLO[2.2.2]OCTANE, IN THE FORM OF A SALT AND USES THEREOF
A combination which comprises (a) a PDE4 inhibitor and (b) an antagonist of M3 muscarinic receptors which is (3R)-1-phenethyl-3-(9H-xanthene-9-carbonyloxy)-1-azoniabicyclo[2.2.2]octane, in the form of a salt having an anion X, which is a pharmaceutically acceptable anion of a mono or polyvalent acid.