Methyl 5-(fluoromethyl)-3-methyl-4-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-(chloromethyl)-2-methyl-3-(trifluoromethoxy)pyridine-5-acetate
Methyl 3-(fluoromethyl)-5-methyl-2-(trifluoromethoxy)pyridine-6-acetate
Methyl 3-(chloromethyl)-5-methyl-6-(trifluoromethoxy)pyridine-2-acetate