Methyl 3-(bromomethyl)-2-cyano-4-(trifluoromethoxy)pyridine-6-acetate
Methyl 4-chloro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-5-acetate
6-(Chloromethyl)-3-fluoro-2-iodo-4-(trifluoromethoxy)pyridine
Methyl 2-(bromomethyl)-4-cyano-6-(trifluoromethoxy)pyridine-3-acetate