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