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