6-(Chloromethyl)-2-cyano-4-(trifluoromethoxy)pyridine-3-acetonitrile
2-(Chloromethyl)-4-cyano-3-(trifluoromethoxy)pyridine-5-acetonitrile
3-(Difluoromethyl)-2-fluoro-6-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
3-(Difluoromethyl)-2-fluoro-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine