AMINOPYRAZOLE DERIVATIVE

摘要

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 C 6-10 aryl group; R 1 and R 2 independently represent H, OH, X, CN, NO 2 a C 1-4 haloalkyl group, a C 1-6 alkyl group, or the like ; R 3 represents H, a C 1-5 alkyl group, a C 6-10 aryl group, a C 1-5 alkyl group, or a C 1-4 haloalkyl group; and R 4 represents H, X, a C 1-3 alkyl group, a C 1-4 haloalkyl group, OH, CN, NO 2 or the like.)