Irbesartan Bromo Nitrile Impurity

4'-(Bromomethyl)-[1,1'-biphenyl]-2-carbonitrile; 2-(4-Bromomethylphenyl)benzonitrile; 4-(2-Cyanophenyl)benzyl Bromide; 4'-Bromomethyl-2-cyanobiphenyl;4-(Bromomethyl)biphenyl-2-carbonitrile; 2-Cyano-4'-bromomethylbiphenyl; 2-Cyano-4'-bromomethylbiphenyl;