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