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