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