Methyl 3-fluoro-6-(fluoromethyl)-4-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-fluoro-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 4-fluoro-5-(fluoromethyl)-3-(trifluoromethoxy)pyridine-2-carboxylate
Methyl 5-hydroxy-4-methoxy-2-(trifluoromethoxy)pyridine-3-acetate