EGFR-IN-187 (Compound 4d) is a selective EGFR inhibitor with an IC50 of 25.41 µM. EGFR-IN-187 can cause cancer cells S amd G2/M phase arrest and induce apoptosis and autophagy. EGFR-IN-187 upregulates CCNE1, Bax, LC3B-II and P27 expression and downregulates CCNA1 and Bcl-2 levels. EGFR-IN-187 can be used for the research of cancer, such as lung cancer[1].