Enzalutamide is a benzamide obtained by formal condensation of the carboxy group of 4-{3-[4-cyano-3-(trifluoromethyl)phenyl]-5,5-dimethyl-4-oxo-2-thioxoimidazolidin-1-yl}-2-fluorobenzoic acid with methylamine. Used for the treatment of of metastatic castration-resistant prostate cancer. It has a role as an antineoplastic agent and an androgen antagonist. It is a member of benzamides, an imidazolidinone, a thiocarbonyl compound, a nitrile, a member of (trifluoromethyl)benzenes and a member of monofluorobenzenes.