NOVEL QUINAZOLINE-2,4-DIONE DERIVATIVE, AND MEDICAL COMPOSITIONS FOR THE PROPHYLAXIS AND TREATMENT OF CRANIAL NERVE DISEASE CONTAINING THE SAME

摘要

The present invention relates to a novel quinazoline-2,4-dione derivative of chemical formula (1) and pharmaceutically acceptable salts thereof, and to medical compositions for the prophylaxis and treatment of cranial nerve disease containing a compound of Chemical formula (I) as an active component.