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