<p>The present application relates to compositions and methods for treating a proliferative disorder by administering to a subject a pharmaceutical composition of a dual kinase inhibitor metabolite. Catecholic butane metabolites can serve as dual kinase inhibitors for purposes of methods described herein. Proliferative diseases are a serious threat to modem society. Cancerous growths, including malignant cancerous growth, pose serious challenges for modem medicine due to their unique characteristics.</p>
