The present application relates to compounds of formula (I) or a pharmaceutically acceptable derivative thereof: formula (I) wherein X, R
1
, R
2
, and R
3
are as defined in the specification, a process for the preparation of such compounds, pharmaceutical compositions comprising such compounds and the use of such compounds in medicine.
[EN] Compounds of formula (I) or a pharmaceutically acceptable derivative thereof: formula (I) wherein X, R1,R2, and R3 are as defined in the specification, a process for the preparation of such compounds, pharmaceutical compositions comprising such compounds and the use of such compounds in medicine. [FR] La présente invention a pour objet des composés de formule (I) ou leurs dérivés de qualité pharmaceutique : formule (I) où X, R1, R2 et R3 sont tels que définis dans la description de l'invention, un procédé de synthèse de tels composés, les compositions pharmaceutiques les incluant et l'emploi de tels composés en médecine.