2-(Bromomethyl)-4-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-3-carboxaldehyde
6-Bromo-2-(difluoromethyl)pyridine-3-carboxaldehyde
2-(Bromomethyl)-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-5-carboxaldehyde
6-Bromo-3-(difluoromethyl)pyridine-2-carboxaldehyde