FIELD: chemistry.
SUBSTANCE: invention relates to a new compound of formula (I), or its tautomer, or a pharmaceutically acceptable salt. Compounds possess the properties of phosphodiesterase inhibitors (PDE2) and tumor necrosis factor α (TNFα). Activity of the compounds with respect to PDE2 is less than 50 mcM and in some cases less than 10 mcM, and in relation to α (TNFα) it can reach 60–80 % and more. In the compound of formula (I) 
(I), fragment 
can be replaced with 
A ring is selected from 
, 
G is selected from 
L is 
CH2, 
or L is 
R1 is bonded with G to form a spiro ring selected from 
or 
EFFECT: compounds can be used for treating inflammatory diseases, such as arthritis, vasculitis, inflammatory intestinal diseases, as well as to participate, for example, in reducing the degree of cerebral dysfunction.
4 cl, 2 tbl, 117 ex
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