Inhibits ferroptosis (EC50=60 nM), an iron-dependent form of nonapoptotic cell death1. Potent inhibitor of ferroptosis in cancer cells and glutamate-induced cell death in organotypic rat brain slices1. Blocks the cytotoxic effects of sorafenib in hepatocellular carcinoma cells2. Inhibits oxidative lipid damage and cell death in diverse disease models3. Prevents apoptosis of renal proximal tubular cells induced by reactive oxygen species4.