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