Methyl 4-(chloromethyl)-2-fluoro-5-(trifluoromethoxy)pyridine-3-acetate
4-(Bromomethyl)-3-cyano-2-iodo-6-(trifluoromethoxy)pyridine
Methyl 3-(chloromethyl)-5-fluoro-4-(trifluoromethoxy)pyridine-2-acetate
4-(Bromomethyl)-2-cyano-3-iodo-6-(trifluoromethoxy)pyridine