| abstract |
(57) [Summary] [Structure] [Chemical Formula 1] [In the formula, R 1 represents a hydrogen atom, a halogen atom or lower alkyl, R 2 and R 3 represent the same or different lower alkoxy, and A and B represent the same or different lower alkylene. ] The compound shown by these, or its salt. [Effects] The compound of the present invention has an affinity for the σ receptor and is associated with cranial nerve dysfunction such as dementia, depression, schizophrenia and anxiety, diseases associated with immune disorders and endocrine disorders, gastrointestinal ulcers, etc. It is useful as a therapeutic agent for |