Micro-electromechanical devices include a temperature-compensation capacitor and a thin-film bulk acoustic resonator having a first terminal electrically coupled to an electrode of the temperature-compensation capacitor. The subject printhead adjusters are made up of a single rigid frame that holds at least one printhead housing, where in certain embodiments multiple printhead housings, e. 2 octane in salt form, pharmaceutical compositions comprising it, and methods of using it for treatment of respiratory disorders, in association with steroids.