| abstract |
The present invention relates to compounds of formula (I): n n n in which X represents N or CH; R 1 represents a hydrogen or halogen atom or a CF 3 group; R 2 and R 3 independently represent a hydrogen atom or a methyl group; n is 0 or 1; A represents an optionally substituted nitrogenous heterocycle; and to their N-oxides and to their salts or solvates, to the pharmaceutical compositions and the medicaments comprising them, and to a process for their preparation. |