Compounds capable of inhibiting the activity of BCR - ABL1 and Mutants thereof. Also provided is a process for the preparation of the compounds, Pharmaceutical preparations comprising such compounds and Methods of using such compounds in the treatment of cancers. Abl protein tyrosine kinase Abelson.Claim 1: The Compound of claim 1 of the formula (1) in which r u00b9 is pirazolilo; wherein Said pirazolilo is replaced or not replaced with 1 to 2 groups r u2076; R u00b2 is pirrolidinilo; wherein Said pirrolidinilo is replaced by a Group r u2077; r u00b3 is selected from H Idr u00f3geno and Halo; r u2074 is selected from - - - - sf u2085 and y u00b2 cf u2082 or r u2076 is independently at each occurrence; SEleccionado from Hydrogen, hydroxyl, Methyl, methoxyl, cyano, trifluoromethyl Methyl, Hydroxy, amino, Halo, fluoro -, Ethyl Ethyl and ciclopropilo; r u2077 is selected from hydroxyl, Methyl, methoxyl, Halo - methyl, hydroxyl, amino, methyl - amino amino -, methyl -, trifluoromethyl, 2 Hydrox Ipropan thiocyanatoacetate, metilocarbonil - Dimethyl amino, amino, 2-amino-3 - oxilo, carboxyl, metilbutanoil)Carbonyl methoxyl, fosfonooxilo, cyano and amino carbonyl; and selected from Ch and N; y u00b9 is selected from Ch and N; y u00b2 is selected from cf u2082 or s, and (OR) and u2080 u208b u2082; or is selected from Hydrogen, Methyl, Chlorine, Fluorine, difluorometilo and trifluoromethyl or s; Ales pharmaceutically acceptable to them.Даний винахід належить до сполук формули (І):, (І)де Y, Y, R, R, Rта Rвизначені у описі винаходу; здатних до інгібування активності BCR-ABL1 та його мутантів. Винахід також забезпечує спосіб одержання сполук відповідно до даного винаходу, фармацевтичні композиції, що містять такі сполуки, та способи застосування таких сполук при лікуванні раку.