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