5-(Bromomethyl)-4-cyano-3-iodo-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-(difluoromethyl)-6-fluoro-3-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-(difluoromethyl)-3-fluoro-6-(trifluoromethoxy)pyridine
3-(Bromomethyl)-2-cyano-5-iodo-6-(trifluoromethoxy)pyridine