| 摘要 |
The present invention relates to compounds of formula (I):in whichR1 represents a hydrogen or halogen atom, or a group CF3;R2 and R3 represent, independently, a hydrogen atom or a methyl group;n and n' each represent, independently, 0 or 1;* represents the positions of attachment;A represents N or CH;X represents a sulfur or oxygen atom;R4 and R5 represent, independently, a hydrogen atom or a (C1-C6) alkyl group;and also their salts or solvates, to a method for the preparation thereof and to the pharmaceutical compositions containing them. |
