The present invention is directed to low molecular weight and orally bioavailable 3H-[1,2,3]triazolo[4,5-d]pyrimidine derivatives, that are useful for treating cellular proliferative diseases, for treating disorders associated with MET activity, and for inhibiting the tyrosine kinase MET. The invention is also directed to compositions which comprise these compounds, and methods of using them to treat cancer in mammals.
