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