This invention relates to novel 2-{6-[4-(2-hydroxy-ethyl)-piperazin-1-yl]-2-methyl-pyrimidin-4-ylamino}-thiazole-5-carboxylic acid (2-chloro-6-methyl-phenyl)-amide derivatives, and pharmaceutically acceptable acid addition salts thereof. The invention also provides compositions comprising a compound of this invention and the use of such compositions in methods of treating diseases and conditions beneficially treated by the inhibition of kinases including Src-kinase and Bcr-Abl kinase.