| abstract |
The present invention relates to novel compounds of the formula [I] or pharmaceutically acceptable salts thereof (See Formula) The compounds of the present invention are useful in the prevention or treatment of diseases such as schizophrenia, Alzheimer's disease, cognitive impairment. , dementia, anxiety disorders (e.g., generalized anxiety disorder, panic disorder, obsessivecompulsive disorder, social anxiety disorder, post-traumatic stress disorder, specific phobias, acute stress disorder), depression, drug dependence, spasms , tremor, pain, Parkinson's disease, attention deficit hyperactivity disorder, bipolar disorder, eating disorder, or sleep disorders, which is based on the glycine absorption inhibition action. |