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