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