Methyl 4-(chloromethyl)-2-fluoro-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 4-cyano-2-methyl-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 3-fluoro-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-6-acetate
Methyl 5-(chloromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetate