| abstract |
Compounds of formula (I) wherein: X represents an optionally substituted phenyl group; R2 represents an optionally substituted heterocyclic group; R1 represents a hydrogen atom, a halogen, a (C1-C6) alkoxy group, a (C1-C6) alkyl, hydroxy, amino group; R3 represents a hydrogen atom, a (C1-C6) alkyl group, a halogen atom, or a hydroxyl group, R4 represents a hydrogen atom or a halogen atom, in the basic state or acid addition salt.Use in therapeutics. |