IMIDAZOPIRIDINE DERIVATIVES AS AN INHIBITOR ACTIVATIVE-LIKE RECEPTOR KINASE (ALK-4 OR ALK-5)

摘要

The application describes the compounds of formula I in free form or in the form of a salt or solvate, in which X, R, R, R and R have the meanings indicated in the description, which are applicable for the treatment of diseases mediated by the ALK-5 and / or ALK-4 receptor. The application also describes pharmaceutical compositions that contain these compounds, and methods for producing these compounds.