Ethyl 6-(bromomethyl)-3-chloro-4-(trifluoromethoxy)pyridine-2-carboxylate
3-(Bromomethyl)-4-chloro-2-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Bromomethyl)-2-chloro-6-(trifluoromethoxy)pyridine-5-carboxylic acid
3-(Bromomethyl)-2-chloro-5-(trifluoromethoxy)pyridine-6-carboxylic acid