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