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