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