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