API
IMPURITY
CHEMICAL NAME
STRUCTURE
2
Chlorphenamine Maleate

EP Impurity A

2-(4-chlorophenyl)-4-(dimethylamino)-2-[2-(dimethylamino)ethyl]butanenitrile Chlorphenamine-Maleate_EP-Impurity-A
Chlorphenamine Maleate

EP Impurity B

N-(pyridin-2-yl)pyridin-2-amine (2,2¢-dipyridylamine) Chlorphenamine-Maleate_EP-Impurity-B
Chlorphenamine Maleate

EP Impurity C

3-(4-chlorophenyl)-N-methyl-3-(pyridin-2-yl)propan-1-amine Chlorphenamine-Maleate_EP-Impurity-C
Chlorphenamine Maleate

EP Impurity D

2-(4-chlorophenyl)-4-(dimethylamino)-2-(pyridin-2-yl)butanenitrile Chlorphenamine-Maleate_EP-Impurity-D