The present invention is directed to metabolites of 'N-(2-Chloro-6-methylphenyl)-2-[[6-[4-(2-hydroxyethyl)-1-piperazinyl]-2-m- ethyl-4-pyrimidinyl]amino]-5-thiazolecarboxamide, the compound of formula (I), pharmaceutical compositions thereof, and to methods of using the metabolites and the pharmaceutical compositions in the treatment of oncological and immunological disorders.