α,α-Bis[2-(dimethylamino)ethyl]-;2-(4-Chlorophenyl)-4-(dimethylamino)-2-[2-(dimethylamino)ethyl]butanenitrile;Chlorpheniramine maleate EP Impurity A;Chlorpheniramine EP Impurity A;α,α-Bis[2-(dimethylamino)ethyl]-4-chlorophenylacetonitrile;α,α-Bis[2-(dimethylamino);Chlorphenamine EP Impurity A Dimaleate;Chlorphenamine EP Impurity 1