Compounds, compositions and their use in the treatment of a proliferative disease or condition such as a said proliferative disease or disorder is associated with a RAF gene mutation and/or a RAS gene mutation. The compounds disclosed are of Formula I or a pharmaceutically acceptable salt or solvate thereof, wherein R1, R2, R3, X1, X2, X3and X4are as defined herein:.
化合物、组合物及其在治疗增殖性疾病或病症中的用途,如上述增殖性疾病或病症与
RAF
基因突变和/或
RAS
基因突变有关。所公开的化合物为式 I 或其药学上可接受的盐或溶液,其中 R1、R2、R3、X1、X2、X3 和 X4 如本文所定义:。