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