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