英文别名6-Desamino 6-Chloro Etravirine; Etravirine 6-Desamino 6-Chloro Impurity; Etravirine Impurity 5; 4-((5-bromo-6-chloro-2-((4-cyanophenyl)amino)pyrimidin-4-yl)oxy)-3,5-dimethylbenzonitrile; 4-[5-bromo-6-chloro-2-(4-cyanoanilino)pyrimidin-4-yl]oxy-3,5-dimethylbenzonitrile