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