Ethyl 6-(bromomethyl)-4-cyano-3-(trifluoromethoxy)pyridine-2-acetate
5-(Difluoromethyl)-2-fluoro-4-iodo-3-(trifluoromethoxy)pyridine
5-(Chloromethyl)-2-cyano-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-(Difluoromethyl)-5-fluoro-2-iodo-3-(trifluoromethoxy)pyridine