| 摘要 |
FIELD: medicine. ^ SUBSTANCE: invention refers to a compound of formula (I), its optical isomer or pharmaceutically acceptable salt, R is specified in cl.1 of the patent claim. The compounds may be presented both as an optical isomer, and as a racemic substance, and may be used for mental disorders, such as schizophrenia. ^ EFFECT: higher efficacy of using the compounds. ^ 8 cl, 4 tbl, 3 dwg, 7 ex |
