| abstract |
Disclosed are compounds encompassed by general formula (I), wherein, A represents ethenylene, or A represents -X-CH2-; where X is CH2 or oxygen, provided that when X is oxygen, the oxygen is adjacent the 6-membered ring; R1, R2, R3 and R4 are inorganic or organic substituents; and R5 and R6 are optionally substituted organic substituents; or NR5R6 represents a carbocyclic or heterocyclic six-membered ring optionally substituted with various organic or inorganic groups, which compounds can be used in treatment of neuropsychological disorders. |