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