Provided are a compound of formula (I), a stereoisomer, a tautomer or a pharmaceutically acceptable salt thereof, use thereof as a selective inhibitor for FGFR4 kinase and use thereof in manufacturing a medicament or pharmaceutical composition for treating diseases due to FGFR4 or FGF19. The compound disclosed by the invention has selective and significant inhibitory activities against FGFR4, and has wide application prospect in the field of tumor treatment.
本发明提供了一种式(I)化合物、其立体异构体、同系物或其药学上可接受的盐、其作为FGFR4激酶选择性
抑制剂的用途以及其在制造治疗FGFR4或FGF19所致疾病的药物或药物组合物中的用途。本发明公开的化合物对FGFR4具有选择性和显著的抑制活性,在肿瘤治疗领域具有广泛的应用前景。