Processes for preparing entecavir and novel intermediates thereof using carbon-silicon oxidation. The strip is attached to the sides of a magnetic tape cartridge, with the sticky surface facing outward, in places contacted by rollers andor belts during the process of handling the cartridge in an automated system. , an outer ring raceway surface, an inner ring raceway surface and a ball rolling contact surface included in a portion having an outer ring high density layer, an inner ring high density layer and a ball high density layer higher in density than an inner portion. The method also selectively discharges process water from the discharge. Use of the cyclic tertiary amine compound as a hole transport material, a hole injection material or an organic electroluminescent material can provide organic EL devices having high luminous efficiency and a long service life. The new address is used to connect the subscriber to an additional service provider for a particular application during the packet session with the home service provider.