| 摘要 |
A compound of formula (I) <IMAGE> (I) in which X represents a hydrogen atom, a halogen atom, a trifluoromethyl group, a C1-C3 alkyl group or a C1-C3 alkoxy group in which case two such alkoxy groups X can be present, Y represents a hydrogen atom, a halogen atom, a C1-C3 alkyl group or a C1-C3 alkoxy group, R1 represents C1-C4 alkyl group, and R represents a hydroxyl group, a methoxy group, an ethoxy group or a group of formula NR2R3 in which R2 and R3 each independently represents a hydrogen atom or a C1-C4 alkyl group, or a pharmaceutically acceptable addition salt thereof, processes for their preparation and their therapeutic application.
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