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