| abstract |
The compound selected from the pyridazine conjugated ring derivative represented by the following formula 1 and a pharmaceutically acceptable salt thereof is excellent in inhibitory activity against FMS kinase, and thus the pharmaceutical composition containing the same is useful as an immunological disease, metabolic disease, And is excellent in the prevention or treatment of inflammatory diseases and cancer. [Chemical Formula 1] Wherein X, L, A, R 1 and R 2 are as defined in the specification. |