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