| abstract |
The invention relates to compounds of formula (I) in which X represents an optionally substituted phenyl group; R4 represents a hydrogen atom, halogen, (C-C) -alkoxy, (C-C) -alkyl, NRaRb group; R 4 is a possibly substituted heterocyclic group; R 2 is a hydrogen atom, (C — C) -alkyl, (C — C) -alkoxy or a halogen atom; R4 represents a hydrogen atom, (C-C) -alkyl, (C-C) -alkoxy or a fluorine atom; in the form of a base or an acid addition salt. Use in therapy. |