A series of new chemical agents that demonstrate anti-tumor activity are described. The new chemical agents combine two major mechanisms of anti-tumor action. In an embodiment, the agents are capable of both inhibiting EGFR and damaging DNA while also, upon degradation, degrading to an inhibitor of EGFR and to an agent capable of damaging DNA. Moreover, a novel series of molecules capable of releasing two moles of EGFR inhibitor and a potent bi-functional alkylating agent are also described.