Compounds of formula are suitable for the production of pharmaceuticals for the prophylaxis and therapy of disorders in the course of which an increased activity of matrix-degrading metalloproteinases is involved. Fine carbon powder particles are then agglomerated to form a secondary structure on the surface of the primary structure such that the resulting particles include fine pores formed on the surface. The data resolver listens for service advertisements for certain service categories from service providers, and stores such advertisement data in the form of service records in a local cache. The first and second valves are each movable between a first position wherein the valve extends a first distance in the respective exhaust port and a second position wherein the valve extends a second distance in the respective exhaust port.