Methyl 2-methoxy-4-methyl-6-(trifluoromethoxy)pyridine-3-acetate
Methyl 2-methoxy-4-methyl-3-(trifluoromethoxy)pyridine-6-acetate
Ethyl 6-(bromomethyl)-3-iodo-2-(trifluoromethoxy)pyridine-4-acetate
Ethyl 2-(bromomethyl)-4-iodo-6-(trifluoromethoxy)pyridine-3-acetate