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