| abstract |
The present invention relates to compounds of formula (I): n n n in which n R 1 represents a hydrogen or halogen atom, or a group CF 3 ; n R 2 and R 3 represent, independently, a hydrogen atom or a methyl group; n n and n′ each represent, independently, 0 or 1; n * represents the positions of attachment; n A represents N or CH; n X represents a sulfur or oxygen atom; n R 4 and R 5 represent, independently, a hydrogen atom or a (C 1 -C 6 ) alkyl group; n and also their salts or solvates, to a method for the preparation thereof and to the pharmaceutical compositions containing them. |