3-Bromo-4-methoxy-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
6-Bromo-2-methoxy-3-(trifluoromethoxy)pyridine-4-carboxaldehyde
6-Bromo-4-(fluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine
2-Bromo-6-methoxy-4-(trifluoromethoxy)pyridine-3-carboxaldehyde