GPX4-IN-14 (compound 2c) is an inhibitor of GPX4 , with free radical scavenging activity (maximum scavenging rate is 72.52%) and anti-tumor proliferation activity in vitro. GPX4-IN-14 inhibits GPX4 protein, increases lipid peroxide levels and intracellular Reactive Oxygen Species (ROS) levels, thereby inducing ferroptosis and exerting anti-tumor proliferation effects.