p38-α MAPK-IN-8 (Compound 13) is a lipophilic cationic derivative. p38-α MAPK-IN-8 is cytotoxic to various tumor cells, and can induce cell cycle arrest, apoptosis , increase reactive oxygen species ( ROS ) production, and induce mitochondrial membrane potential depolarization. The antitumor activity of p38-α MAPK-IN-8 may be related to p38α MAPK pathway, which can be used in the study of cancer.