Chemical entities that are effective as kinase inhibitors, pharmaceutical compositions and methods of treatment are disclosed. The chemical entities disclosed specifically inhibit signal transduction and cellular proliferation by modulating the activity of protein kinases to regulate and modulate abnormal or inappropriate cell proliferation, differentiation, or metabolism. The compounds include a pyrido[3,2-d]pyrimidine scaffold substituted with aromatic and heteroaromatic moieties.La présente invention concerne des entités chimiques qui sont des inhibiteurs de kinase, des compositions pharmaceutiques et des méthodes de traitement du cancer.