Chemical Name: 4-(3-(4-cyano-3-(trifluoromethyl)phenyl)-5,5-dimethyl-2,4-dioxoimidazolidin-1-yl)-2-fluoro-N-methylbenzamide;
Synonym: Enzalutamide Dioxoimidazolidine impurity
Smile: CC(N(C1=CC(F)=C(C(NC)=O)C=C1)C2=O)(C)C(N2C3=CC(C(F)(F)F)=C(C#N)C=C3)=O