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