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