| 摘要 |
A compound of formula (I): <IMAGE> (I) in which: R1 represents substituted or unsubstituted phenyl or (C3-C7) cycloalkyl, R2 represents trifluoromethyl or (C3-C4) cycloalkyl, A represents -CH2-, -CH=N-, =N- or -NH-, R3 and R4, which may be identical or different, represent hydrogen or linear or branched (C1-C6) alkyl or, with the nitrogen atoms to which they are attached, form a 5- or 6-membered heterocycle, R represents either hydrogen in the case where A=-CH2-, -CH=N- or -NH-, or a bond of the group A when the latter is equal to =N-, its enantiomers and epimers as well as its addition salts with a pharmaceutically acceptable acid.
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