USE OF PYRIMIDINE DERIVATIVE FOR TREATING EGFR-DEPENDENT DISEASES OR DISEASES WITH ACQUIRED RESISTANCE TO AGENT TARGETING EGFR FAMILY MEMBERS

摘要

PROBLEM TO BE SOLVED: To provide a method for treating EGFR(epidermal growth factor receptor) family member-dependent diseases or diseases with acquired resistance to a treatment agent for the diseases.SOLUTION: This invention provides a pyrimidine derivative of the following formula. There are also provided a method for treating diseases in combination with an EGFR modulator; and a pharmaceutical preparation for treating diseases comprising the compound, alone or in combination with an EGFR modulator.