| abstract |
FIELD: medicine, pharmaceutics. n SUBSTANCE: invention refers to a compound of formula or to its pharmaceutically acceptable salts wherein -A-(R 1 ) a means a group; -B-(R 2 ) b means a group specified in the patent claim 1, R 3 means hydrogen; X means CH 2 or O; and Y means CH 2 . Also, the invention refers to a pharmaceutical composition exhibiting FGFR inhibitor activity on the basis of the declared compound. n EFFECT: there are produced new compounds and based pharmaceutical composition which can find application in medicine for preparing a cancer drug. n 8 cl, 1 tbl, 180 ex |