Patent ID: 7423034

Claim:
A compound selected from those of formula (I): wherein: R 1 represents hydrogen, halogen, or linear or branched (C 1 -C 6 )alkyl, R 1a represents hydrogen or linear or branched (C 1 -C 6 )alkyl, R 2 represents hydrogen, halogen, or hydroxy, A represents NR 4 , R 3 represents hydrogen, linear or branched (C 1 -C 6 )alkyl, or (C 3 -C 7 )cycloalkyl, R 4 represents hydrogen or linear or branched (C 1 -C 6 )alkyl, X represents NR 6 R 7 , S(O) n R 8 , or OR′ 8 , or a heterocyclic group, wherein: R 6 represents hydrogen, linear or branched (C 1 -C 6 )alkyl, S(O) p R 9 , COR 9 , or P(O)OR 9 OR 10 , R 7 represents hydrogen, or linear or branched (C 1 -C 6 )alkyl, R 8 , R 9 and R 10 , which may be the same or different, represent hydrogen; linear or branched (C 1 -C 6 )alkyl optionally substituted by one or more halogen; aryl-(C 1 -C 6 )alkyl in which the alkyl moiety is linear or branched; or aryl, R′ 8 represents linear or branched (C 1 -C 6 )alkyl or linear or branched (C 1 -C 6 )acyl, n and p, which may be the same or different, represent 1 or 2, its enantiomers and diastereoisomers, and addition salts thereof with a pharmaceutically-acceptable acid or base.