2-(Aminomethyl)-6-chloro-5-(trifluoromethoxy)pyridine-3-carboxylic acid
3-(Bromomethyl)-2-cyano-4-fluoro-6-(trifluoromethoxy)pyridine
3-(Bromomethyl)-6-cyano-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-cyano-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine