| abstract |
FIELD: pharmaceutical industry. SUBSTANCE: present invention describes compounds of formula (I): wherein R 1 is phenyl optionally substituted by halogen atom, CF 3 or naphthyl; R 2 is H, C 1 -C 4 -alkoxy group, halogen or S(O) n (C 1 -C 4 -alkyl; X is CH 2 , CHCH 3 , -CH(OH)-, -CO- or - O-, n is 2, and pharmaceutically acceptable salts. The present invention also describes pharmaceutical compositions which comprise compounds of formula (I) as active ingredient. EFFECT: improved properties of pharmaceutical compositions. 9 cl, 2 tbl |