1-[4-Bromo-2-(1,1-dimethylethyl)phenyl]-1H-pyrrole-2,5-dione is derived from 2-(tert-Butyl)aniline (B809793), which is used as an intermediate in various reactions including towards substituted indole-2-carboxylic acids as inhibitors of bacterial metallo-beta-lactamases, which ultimately results in the potential for the use in the treatment of bacterial infection.