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
Methyl 2-fluoro-6-methoxy-3-(trifluoromethoxy)pyridine-4-acetate