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