Methyl 3-(fluoromethyl)-5-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 2-(chloromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine-3-acetate
Ethyl 2-(chloromethyl)-3-methoxy-6-(trifluoromethoxy)pyridine-5-acetate
Methyl 3-(fluoromethyl)-4-methoxy-5-(trifluoromethoxy)pyridine-2-carboxylate