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