Pharmaceutical composition for inhalation comprises a 7-(2,2-diphenylpropionyloxy)-9,9-dimethyl-9-aza-3-oxa-tricyclo[3.3.1.0 2>；.4]nonane salt (I), an ethanol or ethanol/water solvent, an acid and optionally excipients and/or complexing agents. Pharmaceutical composition for inhalation comprises a 7-(2,2-diphenylpropionyloxy)-9,9-dimethyl-9-aza-3-oxa-tricyclo[3.3.1.0 2>；.4]nonane salt (I) of formula 1, an ethanol or ethanol/water solvent, an acid and optionally excipients and/or complexing agents. [Image] X : chloride, bromide, iodide, sulfate, phosphate, methanesulfonate, nitrate, maleate, acetate, citrate, fumarate, tartrate, oxalate, succinate, benzoate or p-toluenesulfonate. An independent claim is also included for a kit comprising a composition as above and an inhaler for atomizing the composition. ACTIVITY : Antiasthmatic； Antiinflammatory. MECHANISM OF ACTION : Anticholinergic.
