2-(Bromomethyl)-5-(difluoromethyl)-3-iodopyridine-4-carboxaldehyde
4-(Difluoromethyl)-3-iodo-5-(trifluoromethyl)pyridine-2-methanol
6-(Bromomethyl)-4-(difluoromethyl)-3-iodopyridine-2-carboxaldehyde
3-(Difluoromethyl)-2-iodo-6-(trifluoromethyl)pyridine-5-methanol