Methyl 4-(chloromethyl)-3-methyl-2-(trifluoromethoxy)pyridine-5-acetate
Methyl 5-(chloromethyl)-4-methyl-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-bromo-3-iodo-4-(trifluoromethoxy)pyridine-5-acetate
Methyl 3-bromo-6-fluoro-2-(trifluoromethoxy)pyridine-5-acetate