| 摘要 |
The invention relates to compounds of the formula (I) in which: X is an optionally substituted phenyl group; R1 is a hydrogen atom, a halogen, a (C1-C6) alkoxy group, a (C1-C6) alkyl group, a NRaRb group; R2 is an optionally substituted heterocyclic group; R3 is a hydrogen atom, a (C1-C6) alkyl group, a (C1-C6) alkoxy group or a halogen atom; R4 is a hydrogen atom, a (C1-C4) alkyl group, a (C1-C4) alkoxy group or a fluorine atom; said compounds being in the state of a base or an addition salt to an acid. The invention can be used in therapeutics. |
