| abstract |
The invention relates to new compounds of formula (I), in which A, A, A and A are such that either all 4 mean CRa, or one means CRa, and the other three, identical or different, mean N, or Cra, or NRb, where Rb means alkyl, alkoxyl or OH. The remaining radicals are presented in the claims. The above compound of formula (I) is in any possible isomeric, racemic, enantiomeric and diastereoisomeric forms, as well as in the form of additive salts of inorganic and organic acids or inorganic and organic bases of the above compounds of formula (I), and these compounds are in any tautomeric and isomeric forms and in the form of salts; the compounds are useful as medicaments. |