A compound represented by formula (I) or a pharmacologically acceptable salt thereof, which can inhibit a fibroblast growth factor receptor (FGFR) family kinase in cancer tissues. (In the formula, A represents a 5- to 10-membered heteroaryl group, or a C6-10 aryl group; R1 and R2 independently represent H, OH, X, CN, NO2, a C1-4 haloalkyl group, a C1-6 alkyl group, or the like ; R3 represents H, a C1-5 alkyl group, a C6-10 aryl group, a C1-5 alkyl group, or a C1-4 haloalkyl group; and R4 represents H, X, a C1-3 alkyl group, a C1-4 haloalkyl group, OH, CN, NO2, or the like.)
化合物(I)及其药学上可接受的盐,能够抑制癌组织中的成纤维细胞生长因子受体(FGFR)家族激酶。其中,A代表5-到10-成员杂芳基团或C6-10芳基基团;R1和R2分别代表H、OH、X、CN、
NO2、C1-4卤代烷基、C1-6烷基或类似物(R1和R2还可以组成(取代的)3-到10-成员杂环基团或(取代的)5-到10-成员杂芳基团);R3代表H、C1-5烷基、C6-10芳基基团、C1-5烷基或C1-4卤代烷基;R4代表H、X、C1-3烷基、C1-4卤代烷基、OH、CN、 或类似物。